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普通螺纹 基本牙型
General purpose metric screw threads--Basic profile
价格:¥0.00
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普通螺纹 极限偏差
General purpose metric screw threads--Limit deviations
价格:¥0.00
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普通螺纹 直径与螺距系列
General purpose metric screw threads--General plan
价格:¥0.00
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商品紧固件的普通螺纹选用系列
General purpose screw threads -- Selected sizes for commercial screws, bolts and nuts
价格:¥0.00
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