Improvements in or relating to metal working,申请号GB19560022402-传众专利搜索

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发明名称	Improvements in or relating to metal working
摘要
申请公布号	GB822503(A)	申请公布日期	1959.10.28
申请号	GB19560022402	申请日期	1956.07.19
申请人	OLIN MATHIESON CHEMICAL CORPORATION	发明人	CAMPBELL HUNTLEY M.
分类号	B21D53/04	主分类号	B21D53/04
代理机构		代理人
主权项
地址

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