| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| HG/T 3241-2007 | English | 239 |
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3 days [Need to translate]
|
Micro-computer thickness tester for inner hole coating
| Obsolete |
| HG/T 3241-1989 | English | 239 |
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2 days [Need to translate]
|
Specifications for inner hole coating thickness tester
| Obsolete |