"`6rQuartz`6s " CNS Standards List |
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CNS 8942
2017 Edition Method of Test for Electronic Clocks `6rQuartz`6s 電子鐘檢驗法(石英振盪式) |
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CNS 8942
1992 Edition Method of Test for Electronic Clocks `6rQuartz`6s 電子鐘檢驗法(石英振盪式) |
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