| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SJ 449-1973 | English | 129 |
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Days<=2
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Methods of measurement for voltage with standing test for high-voltage rectifier tubes
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SJ 449-1973
| Obsolete |
SJ 449-1973
|