A method of press-forming hollow members,申请号GB19530022825-传众专利搜索

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发明名称	A method of press-forming hollow members
摘要
申请公布号	GB747572(A)	申请公布日期	1956.04.11
申请号	GB19530022825	申请日期	1953.08.19
申请人	ROBERT BOSCH, G.M.B.H.	发明人
分类号	B21C23/03;B21K21/08	主分类号	B21C23/03
代理机构		代理人
主权项
地址

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