| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JB 4291-1986 | English | 719 |
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Days<=5
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(Welded joints crack opening displacement (COD) test method)
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JB 4291-1986
| Obsolete |
JB 4291-1986
|