Improvements in or relating to the connection of branch pipes to mains,申请号GB19310002716-传众专利搜索

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发明名称	Improvements in or relating to the connection of branch pipes to mains
摘要
申请公布号	GB366275(A)	申请公布日期	1932.02.04
申请号	GB19310002716	申请日期	1931.01.28
申请人	JOHN SPENCER LIMITED;THOMAS HARRIS SPENCER	发明人
分类号	F16L41/12	主分类号	F16L41/12
代理机构		代理人
主权项
地址

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