Girder,申请号US19370165438-传众专利搜索

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发明名称	Girder
摘要
申请公布号	US2151861(A)	申请公布日期	1939.03.28
申请号	US19370165438	申请日期	1937.09.24
申请人	MCLELLAN STEEL DEVELOPMENT CORPORATION	发明人	MCLELLAN ARTHUR M.
分类号	B60C9/00;E04C3/04;E04C3/08;E04C3/32	主分类号	B60C9/00
代理机构		代理人
主权项
地址

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