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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
Standard Code | Standard Title | Standard Class | Order |
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GB/T 7631.4-1989 |
Lubricants and related products (class L)--Classification--Part 4:Family F (Spindlebearings,bearings and associated cluTChes) 润滑剂和有关产品(L类)的分类 第4 部分:F组 (主轴、轴承和有关离合器) |
China National Standards TC |
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GB/T 11297.6-1989 |
Standard method for showing andmeasuring dislocation eTCh pits in indium antimonide single crystal 锑化铟单晶位错蚀坑的腐蚀显示及测量方法 |
China National Standards TC |
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GB/T 11297.10-1989 |
Test method for curie temperature of TC pyroelectric materials 热释电材料居里温度 TC 的测试方法 |
China National Standards TC |
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GB/T 11023-1989 |
Test guide of SF6 gas tightness for high-voltage swiTChgear 高压开关设备六氟化硫气体密封试验方法 |
China National Standards TC |
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GB/T 3309-1989 |
Mechanical test at ambient temperature for high-voltage swiTChgear 高压开关设备常温下的机械试验 |
China National Standards TC |
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GB/T 10227-1988 |
Accuracy of fine-piTCh cylindrical worm and wormwheel 小模数圆柱蜗杆、蜗轮精度 |
China National Standards TC |
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GB/T 10226-1988 |
Basic rack tooth profile of fine-piTCh cylindrical worm 小模数圆柱蜗杆基本齿廓 |
China National Standards TC |
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GB/T 10225-1988 |
Accuracy of fine-piTCh bevel gears 小模数锥齿轮精度 |
China National Standards TC |
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GB/T 10224-1988 |
Basic rack tooth profile of fine-piTCh bevel gears 小模数锥齿轮基本齿廓 |
China National Standards TC |
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GB/T 9541-1988 |
2400 bits per second duplex modem using the echo cancellation technique standardized for use on the general swiTChed telephone network and on point-to-point 2 wire leased telephone-type-circuits 在普通电话交换网和点对点二线租用电话型电路上使用标准化的回波抵消技术的2400比特/ 秒双工调制解调器 |
China National Standards TC |
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GB/T 9537-1988 |
Keyboard swiTChes foruse in electronic equipment--Part 1:Generic specification 电子设备用键盘开关 第一部分:总规范 (可供认证用) |
China National Standards TC |
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GB/T 9459-1988 |
Hexagon thin slotted nuts--Fine piTCh thread--Product grades A and B 六角开槽薄螺母 细牙 A和B级 |
China National Standards TC |
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GB/T 9458-1988 |
Hexagon slotted and castle nuts,style 2--Fine piTCh thread--Product grades A and B 2 型六角开槽螺母 细牙 A和B级 |
China National Standards TC |
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GB/T 9457-1988 |
Hexagon slotted and castle nuts,style l--Fine piTCh thread--Product grades A and B 1 型六角开槽螺母 细牙 A和B级 |
China National Standards TC |
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GB/T 808-1988 |
Small hexagon thin nuts--Fine piTCh thread 小六角特扁细牙螺母 |
China National Standards TC |
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GB/T 32.3-1988 |
Hexagon bolts with wire holes on head--Fine piTCh thread--Product grade A and B 六角头头部带孔螺栓 细牙 A和B级 |
China National Standards TC |
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GB/T 31.3-1988 |
Hexagon bolts with split pin hole on shank--Fine piTCh thread--Product grade A and B 六角头螺杆带孔螺栓 细牙 A和B级 |
China National Standards TC |
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GB/T 4958.9-1988 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Mesurements for sub-systems--Section nine--Stand-by channel swiTChing equipment 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第九节 备用通道倒换设备 |
China National Standards TC |
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GB/T 9025-1988 |
Cabled distribution systems primarily intended for sound and television signals operating between30 MHz and 1 GHz--Electrical and mechanical maTChing values 30 MHz~1GHz声音和电视信号的电缆分配系统 机电配接值 |
China National Standards TC |
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GB/T 8970-1988 |
Air quality--Determination of sulfur dioxide in ambient air--Tetrachloromercurate(TCM)-pararosaniline method 空气质量 二氧化硫的测定 四氯汞盐-盐酸副玫瑰苯胺比色法 |
China National Standards TC |
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GB/T 8913-1988 |
Hygienic determination method of sulfur dioxide in air of residential areas--Tetrachloromercurate (TCM)-pararosaniline spectrophotometric method 居住区大气中二氧化硫卫生标准检验方法 四氯汞盐盐酸副玫瑰苯胺分光光度法 |
China National Standards TC |
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GB/T 7625-1987 |
2400/1200 bits per second modem standardized for use in the general swiTChed telephone network 在电话自动交换网上使用的标准化 2400/1200比特/秒调制解调器 |
China National Standards TC |
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GB/T 7623-1987 |
Automatic answering equipment and/or parallel automatic calling equipment on the general swiTChed telephone network, including procedures for bling of echo control devices for both manually and automatically established calls 在电话自动交换网上的自动应答设备和(或)并行自动呼叫设备, 包括人工和自动建立呼叫时使回波控制装置停止工作的规程 |
China National Standards TC |
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GB/T 7622-1987 |
600/1200 bauds modem standardized for use in the general swiTChed telephone network 在电话自动交换网上使用的标准化600/1200波特调制解调器 |
China National Standards TC |
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GB/T 7621-1987 |
1200 bits per second duplex modem standardized for use in the general swiTChed telephone network and on point-to-point 2-wire leased telephonecircuits 在电话自动交换网和点对点二线租用电话型电路上使用的标准化的1200比特/秒双工调制解调器 |
China National Standards TC |
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GB/T 7620-1987 |
300 bits per second duplex modem standardized for use in the general swiTChed telephone network 在电话自动交换网上使用的标准化300比特/秒全双工调制解调器 |
China National Standards TC |
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GB/T 5444-1985 |
The test methods for the technical specifications of subscriber line signalling for automatic telephone swiTChing network 电话自动交换网用户信号技术指标测试方法 |
China National Standards TC |
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GB/T 5443-1985 |
The test methods for the technical specifications of ringing and tone for automatic telephone swiTChingnetwork 电话自动交换网铃流和信号音技术指标测试方法 |
China National Standards TC |
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GB/T 5442-1985 |
The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone swiTChing network 电话自动交换网带内单频脉冲线路信号技术指标测试方法 |
China National Standards TC |
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GB/T 5318-1985 |
Sintered metals materials,excluding hard metals--UnnoTChed impact test piece 烧结金属材料 (不包括硬质合金) 无切口冲击试样 |
China National Standards TC |
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GB/T 3971.3-1983 |
The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic swiTChing network 电话自动交换网多频记发器信号技术指标测试方法 |
China National Standards TC |
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GB 3971.2-1983 |
Interoffice junction digital line signalling system for telephone automatic swiTChing network 电话自动交换网局间中继数字型线路信号方式 |
China National Standards TC |
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GB 3380-1982 |
Ringing and tone for telephone automatic swiTChing network 电话自动交换网铃流和信号音 |
China National Standards TC |
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GB 3378-1982 |
Subscriber line signalling system for telephone automatic swiTChing network 电话自动交换网用户信号方式 |
China National Standards TC |
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GB 3377-1982 |
Multifrequency register signalling system for telephone automatic swiTChing network 电话自动交换网多频记发器信号方式 |
China National Standards TC |
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GB 3376-1982 |
Inband pulsing single frequencyline signalling system for telephone automatic swiTChing network 电话自动交换网带内单频脉冲线路信号方式 |
China National Standards TC |
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GB/T 2291-1980 |
Method for preparation of coal tar piTChs specimens 煤沥青试验室试样的制备方法 |
China National Standards TC |
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GB/T 1989-1980 |
Methods for indication of the 7-bit encoding character set for information processing swiTChing on 12.7 mm magnetic tape 信息处理交换用七位编码字符集在9磁道12.7 毫米磁带上的表示方法 |
China National Standards TC |
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