| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GBJ 109-1987 | English | 839 |
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Days<=6
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Specifications for the design of industrial water softening and desalting
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GBJ 109-1987
| Obsolete |
GBJ 109-1987
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