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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 6404.2-2005 |
Acceptance code for gear units-Part2:Determination of mechanical vibrations of gear units during acceptance testing 齿轮装置的验收规范 第2部分：验收试验中齿轮装置机械振动的测定 |
China National Standards Part2:Determination |
 English PDF |
| GB/T 19889.2-2005 |
Acoustics-Measurement of sound insulation in buildings and of building elements-Part2:Determination,verification and application of precision data 声学 建筑和建筑构件隔声测量 第2部分：数据精密度的确定、验证和应用 |
China National Standards Part2:Determination |
English PDF |
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