| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/Z 18620.4-2002 | English | 999 |
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Days<=4
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Cylindrical gears -- Code of inspection practice -- Part 4: Recommendations relative to surface texture and tooth contact pattern checking
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GB/Z 18620.4-2002
| Obsolete |
GB/Z 18620.4-2002
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