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人孔入口处的把手.要求、试验
Handholds for entrance into accessible manholes - Requirements, testing
参考页数:12P.;A4
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锥形手柄
Tapered handles
参考页数:7P.;A4
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球形手柄
Ball handles
参考页数:8P.;A4
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直柄式手摇曲柄
Crank handles, straight pattern
参考页数:5P.;A4
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弯柄式手摇曲柄
Crank handles, offset type
参考页数:5P.;A4
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可转动的球形手柄
Rotatable ball handles
参考页数:4P.;A4
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固定式球形手柄
Fixed ball handles
参考页数:4P.;A4
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扁型手轮.锥形方头毂孔
Hand-wheels, flat type - Hub hole with tapered square
参考页数:3P.;A4
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碟形手轮.方头直式毂孔
Hand-wheels, dished - Hub hole with straight square
参考页数:3P.;A4
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盘型手轮.圆型或正方形毂孔
Handwheels, dished - Hub hole round or straight square
参考页数:4P.;A4
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