Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
HG/T 2271-2007 | English | 439 |
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4 days [Need to translate]
|
The platinum catalyst Oxidizing ammonia into nitric acid
| Obsolete |
HG/T 2271-2007
|
HG/T 2271-2014 | English | 319 |
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3 days [Need to translate]
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The platinum catalyst Oxidizing ammonia into nitric acid
| Valid |
HG/T 2271-2014
|