"symbols " CNS Standards List| Fermented milk | Method calculating | Reporting Laboratory | Method Test | Test sieves | Drinking water | Information technology | Test Code | |
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CNS 409
1957 Edition symbols of Transformers for Instrument 儀器用互感器符號 |
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CNS 408
1957 Edition symbols of Rectifiers 整流器符號 |
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CNS 406
1957 Edition symbols of A.C Machines 交流電機符號 |
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