Improved construction of coupling for connecting tubes together,申请号GB19290038943-传众专利搜索

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发明名称	Improved construction of coupling for connecting tubes together
摘要
申请公布号	GB338408(A)	申请公布日期	1930.11.20
申请号	GB19290038943	申请日期	1929.12.19
申请人	THOMAS PROSSER HINGLEY	发明人
分类号	E04G7/20	主分类号	E04G7/20
代理机构		代理人
主权项
地址

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