小波纹手轮 SMALL SINUATE HANDWHEELS |
JB/T7273.1-94(GB4141.20-84 JB1351-73)
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小手轮 SMALL HANDWHEELS |
JB/T7273.2-94(GB4141.21-84 JB1352-73)
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双柄手轮 TWO-HANDLE HANDWHEELS |
JB3717.15-85(Z55-2)
注:键槽按GB1095-79规定 |
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手 轮 HANDWHEELS |
JB/T7273.3-94(GB4141.22-84 JB1353-73)
注:键槽按GB1095-79规定 |