QJ 2986 1-1997 《弯管夹具通用零件 A型偏心棒 A型偏心轴》.pdf

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QJ 2987 1-1997 《弯管夹具通用零件 B型偏心棒 B型偏心轴》.pdf

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QJ 2987-1997 弯管夹具通用零件 B型偏心棒.pdf

QJ 2986-1997 弯管夹具通用零件 A型偏心棒.pdf

GB T 7661-2009 光学零件气泡度.pdf

GB T 2193-1991 机床夹具零件及部件 单面偏心轮.pdf

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JB T 8011.3-1999 机床夹具零件及部件.单面偏心轮.pdf

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