| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YBJ 220-1990 | English | 679 |
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Days<=5
|
(Technical Specification for Concrete Pumping)
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YBJ 220-1990
| Obsolete |
YBJ 220-1990
|