Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
NB/T 20277-2014 |
Welding specification for A240 (S32101) duplex stainless steel a240(s32101)双相不锈钢焊接规范 |
China Energy industry
Standards 321 |
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HG/T 2487-2011 |
Rubber threads-Methods of test(idt ISO 2321: 2006) 橡胶胶丝试验方法 |
China Chemical Industry
Standards 321 |
![]() English PDF |
JJF 012-2006 |
Y321-type hand-twist machine calibration specification |
China Metrological
Standards 321 |
![]() English PDF |
SJ 51432/1-1999 |
Resistors, fixed, film, chip established reliability, style RMK3216 detail specification for rmk3216型有可靠性指标的片式膜固定电阻器详细规范 |
China Electronics
Standards 321 |
![]() English PDF |
SH/T 0664-1998 |
321 extreme pressure additive 321极压剂 |
China Petrochemical Industry
Standards 321 |
![]() English PDF |
JJG(MH)023-1995 |
Verification Regulation of Model 321 Wide Band Phase Angle Voltmeter |
China Metrological
Standards 321 |
![]() English PDF |
JJG(YD)005-1990 |
Specification for verification of XH3321A millihertz counters |
China Metrological
Standards 321 |
![]() English PDF |
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