Improvements in apparatus for sealing drainpipes and like conduits prior to testing,申请号GB19500003002-传众专利搜索

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发明名称	Improvements in apparatus for sealing drainpipes and like conduits prior to testing
摘要
申请公布号	GB681448(A)	申请公布日期	1952.10.22
申请号	GB19500003002	申请日期	1950.02.06
申请人	PERCIVAL PHILIP LEACOCK	发明人
分类号	F16K7/10	主分类号	F16K7/10
代理机构		代理人
主权项
地址

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