| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SJ 446-1973 | English | 119 |
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Days<=2
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Methods of measurement for tube voltage drop and tube voltage drop on underheated condition of high-voltage rectifier tubes
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SJ 446-1973
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SJ 446-1973
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