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Keyword:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JJG(YD)027-1994 |
Specification for verification of wide frequency level meters |
China Metrological
Standards Specification verification level |
 English PDF |
| JJG(YD)013-1992 |
Specification for verification of level oscillators |
China Metrological
Standards Specification verification level |
English PDF |
| JJG(YD)012-1992 |
Specification for verification of frequency selecting level meters |
China Metrological
Standards Specification verification level |
English PDF |
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