Beam bending machine,申请号US19370148640-传众专利搜索

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发明名称	Beam bending machine
摘要
申请公布号	US2216694(A)	申请公布日期	1940.10.01
申请号	US19370148640	申请日期	1937.06.17
申请人	BETHLEHEM STEEL COMPANY	发明人	MORGAN ALFRED C.
分类号	B21D7/06	主分类号	B21D7/06
代理机构		代理人
主权项
地址

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