| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 21938-2008 | English | 314 |
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Days<=3
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Earth-moving machinery -- Hydraulic excavator and backhoe loader boom-lowering control device -- Requirements and tests
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GB/T 21938-2008
| Obsolete |
GB/T 21938-2008
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