Improvement in a process for manufacturing an expanded steel member,申请号GB19570026977-传众专利搜索

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发明名称	Improvement in a process for manufacturing an expanded steel member
摘要
申请公布号	GB863877(A)	申请公布日期	1961.03.29
申请号	GB19570026977	申请日期	1957.08.27
申请人	HIDEYO WATANABE	发明人
分类号	B21D47/02	主分类号	B21D47/02
代理机构		代理人
主权项
地址

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