Improvements in and relating to constructional members in the form of metal bars,申请号GB19380002504-传众专利搜索

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发明名称	Improvements in and relating to constructional members in the form of metal bars
摘要
申请公布号	GB491056(A)	申请公布日期	1938.08.25
申请号	GB19380002504	申请日期	1938.01.26
申请人	AUGUST UMLAUF	发明人
分类号	B21D11/15	主分类号	B21D11/15
代理机构		代理人
主权项
地址

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