Flat material with formed surfaces giving high strength - weight ratio,申请号FR19690014196-传众专利搜索

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发明名称	Flat material with formed surfaces giving high strength - weight ratio
摘要
申请公布号	FR2020596(A1)	申请公布日期	1970.07.17
申请号	FR19690014196	申请日期	1969.05.05
申请人	MSL INDUSTRIES INC	发明人
分类号	B21D47/00;B21D53/02;(IPC1-7):32B3/00;01N1/00;16F9/00	主分类号	B21D47/00
代理机构		代理人
主权项
地址

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