Apparatus for the manufacture of expanded steel load bearing members,申请号US19250010349-传众专利搜索

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发明名称	Apparatus for the manufacture of expanded steel load bearing members
摘要
申请公布号	US1827314(A)	申请公布日期	1931.10.13
申请号	US19250010349	申请日期	1925.02.19
申请人	GERSMAN HARVEY M	发明人	GERSMAN HARVEY M.
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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