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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 |
|---|---|---|---|
| GB/T 18256-2000 |
Welded steel tubes(except submerged arc-welded)--UltrASONic testing for verification of hydraulic leak-tightness 焊接钢管(埋弧焊除外) 用于确认水压密实性的超声波检测方法 |
China National Standards ASON |
 English PDF |
| GB 10408.2-2000 |
Detectors for intruder alarm systems--Part 2:UltrASONic Doppler detectors for use in buildings 入侵探测器 第2部分:室内用超声波多普勒探测器 |
China National Standards ASON |
English PDF |
| GB/T 17252-1998 |
Acoustics--Characteristics and measurements of ultrASONic piezoelectric transducers up to 100kHz 声学 100 kHz以下超声压电换能器的特性和测量 |
China National Standards ASON |
English PDF |
| GB/T 16540-1996 |
Acoustics--Measurement and characterisation of ultrASONic fields in the frequency range 0.5MHz to 15MHz--Hydrophone method 声学 在0.5～15 MHz频率范围内的超声场特性及其测量水听器法 |
China National Standards ASON |
English PDF |
| GB/T 14368-1993 |
Acoustics--Standard ultrASONic power source 声学 标准超声功率源 |
China National Standards ASON |
English PDF |
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