| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG 3548-1989 | English | 199 |
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Days<=2
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(B112 type temperature carbon monoxide shift catalyst)
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HG 3548-1989
| Obsolete |
HG 3548-1989
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