Unblocking and repairing conduits,申请号GB19800037773-传众专利搜索

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发明名称	Unblocking and repairing conduits
摘要
申请公布号	GB2064703(A)	申请公布日期	1981.06.17
申请号	GB19800037773	申请日期	1980.11.24
申请人	MADDEN P J	发明人
分类号	F16L55/18;(IPC1-7):F16L55/00;B08B9/02;F16L55/10	主分类号	F16L55/18
代理机构		代理人
主权项
地址

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