Poutres composées de membrures gauches ou cylindriques,申请号FRD802248-传众专利搜索

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发明名称	Poutres composées de membrures gauches ou cylindriques
摘要
申请公布号	FR802248(A)	申请公布日期	1936.08.31
申请号	FRD802248	申请日期	1935.05.18
申请人		发明人	LAFFAILLE BERNARD
分类号	E04B7/10	主分类号	E04B7/10
代理机构		代理人
主权项
地址

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