DS 521-1989 Rubber sealing rings for water and waste-water piping《水管和污水管橡胶密封圈》.pdf

相关资源

CB 1236-1995 鱼雷用O形橡胶密封圈规格及密封结构设计方法.pdf

HB 5584-1981;HB 5585-1981 橡胶密封圈.pdf

HB 6691-1993 耐磷酸酯液压油O形橡胶密封圈挡圈.pdf

HB 6692-1993 耐磷酸酯液压油O形橡胶密封圈沟槽.pdf

HG 2943-1984(1997) 日用压力锅橡胶密封圈.pdf

HG T 2810-2008 往复运动橡胶密封圈材料.pdf

JB T 6375-1992 气动阀用橡胶密封圈尺寸系列和公差.pdf

JB T 6997-1993 U形内骨架橡胶密封圈.pdf

JB T 6997-2007 U形内骨架橡胶密封圈.pdf

JC T 946-2005 混凝土和钢筋混凝土排水管用橡胶密封圈.pdf

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