Improvements relating to the manufacture of copper welded tubing- welded with copper,申请号GB19290033371-传众专利搜索

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发明名称	Improvements relating to the manufacture of copper welded tubing- welded with copper
摘要
申请公布号	GB347723(A)	申请公布日期	1931.05.04
申请号	GB19290033371	申请日期	1929.11.02
申请人	HARRY WARREN BUNDY	发明人
分类号	B21C37/087;B21C37/09	主分类号	B21C37/087
代理机构		代理人
主权项
地址

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