| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG 1-1430-1981 | English | 479 |
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Days<=4
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(Chemical analysis methods for ammonia synthesis catalyst)
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HG 1-1430-1981
| Obsolete |
HG 1-1430-1981
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