| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SJ 1930-1981 | English | 319 |
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Days<=3
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(GZC23-1-F and GZS23-1-F type twenty tripod socket)
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SJ 1930-1981
| Obsolete |
SJ 1930-1981
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