"Quartz Watch " CNS Standards List| Hollow taper | Tommy Nuts | Needle Roller | Method Test | Machining Allowance | Precision Square | Method Determination | Methods test | |
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CNS 9978
2017 Edition Quartz Watch for Submersion 潛水石英錶 |
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CNS 9978
1993 Edition Quartz Watch for Submersion 潛水石英錶 |
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