Improvements in the manufacture of metal tube bends,申请号GB19520019393-传众专利搜索

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发明名称	Improvements in the manufacture of metal tube bends
摘要
申请公布号	GB765180(A)	申请公布日期	1957.01.02
申请号	GB19520019393	申请日期	1952.07.31
申请人	ANDRE HUET	发明人
分类号	B21C37/29	主分类号	B21C37/29
代理机构		代理人
主权项
地址

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