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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 7896-2008 |
Test method for Optical grade synthetic quartz crystal 人造光学石英晶体试验方法 |
China National Standards Optical grade synthetic |
 English PDF |
| GB/T 7895-2008 |
Optical grade synthetic quartz crystal 人造光学石英晶体 |
China National Standards Optical grade synthetic |
English PDF |
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