Trussed structural member and method of and means for its manufacture,申请号US19390258260-传众专利搜索

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发明名称	Trussed structural member and method of and means for its manufacture
摘要
申请公布号	US2246578(A)	申请公布日期	1941.06.24
申请号	US19390258260	申请日期	1939.02.24
申请人	DE SALARDI ALBERT BERNHARD	发明人	SALARDI ALBERT BERNHARD DE
分类号	B21B1/08;E04C5/06	主分类号	B21B1/08
代理机构		代理人
主权项
地址

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