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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| QB/T 4053-2010 |
Integrated circuits for quartz clocks 石英钟用集成电路 |
China Light Industry
Standards Integrated circuits quartz |
 English PDF |
| QB/T 4052-2010 |
Integrated circuits for quartz watches 石英表用集成电路 |
China Light Industry
Standards Integrated circuits quartz |
English PDF |
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