| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| CECS 91-1997 | English | 199 |
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Days<=2
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Specification for design of combined sewage intercepting well
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CECS 91-1997
| Obsolete |
CECS 91-1997
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