| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SJ 20248-1993 | English | 519 |
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Days<=4
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Verification reguation of model ED4070 dual-channel
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SJ 20248-1993
| Obsolete |
SJ 20248-1993
|