Method of making metal bars and fence posts,申请号US19310519369-传众专利搜索

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发明名称	Method of making metal bars and fence posts
摘要
申请公布号	US1872789(A)	申请公布日期	1932.08.23
申请号	US19310519369	申请日期	1931.03.02
申请人	INLAND STEEL COMPANY	发明人	MURTON CRAWFORD B.
分类号	B21B1/08;E04H17/10	主分类号	B21B1/08
代理机构		代理人
主权项
地址

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