METHOD FOR SEATING A GASKET IN A PLASTIC PIPE BELL USING A HARD CONFIGURED RING,申请号GR19870100026-传众专利搜索

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发明名称	METHOD FOR SEATING A GASKET IN A PLASTIC PIPE BELL USING A HARD CONFIGURED RING
摘要
申请公布号	GR870026(B)	申请公布日期	1987.05.08
申请号	GR19870100026	申请日期	1987.01.07
申请人	VASSALLO RESEARCH AND DEVELOPMENT CORPORATION	发明人	VASSALLO EFRAIN D.;VALLS JOSE E.
分类号		主分类号
代理机构		代理人
主权项
地址

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