| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JB/T 7939-1999 | English | 279 |
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Days<=3
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Hydraulic fluid power. Cylinders. Bore and rod area ratios
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JB/T 7939-1999
| Obsolete |
JB/T 7939-1999
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