螺纹环规通止牙规M4M5M6M7M8M9M10*0.5*0.7*0.75*0.8*1*1.25*1.5

螺纹环规通止牙规M4M5M6M7M8M9M10*0.5*0.7*0.75*0.8*1*1.25*1.5

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广东 东莞