Improvements in and relating to sealing rings for socket pipes,申请号GB19610033268-传众专利搜索

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发明名称	Improvements in and relating to sealing rings for socket pipes
摘要
申请公布号	GB918752(A)	申请公布日期	1963.02.20
申请号	GB19610033268	申请日期	1961.09.15
申请人	HERMANN MUECHER	发明人
分类号	F16J15/10;F16L13/11	主分类号	F16J15/10
代理机构		代理人
主权项
地址

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