Poutre ou ferme de charpente en bois à âme pleine,申请号FRD1157437-传众专利搜索

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发明名称	Poutre ou ferme de charpente en bois à âme pleine
摘要
申请公布号	FR1157437(A)	申请公布日期	1958.05.29
申请号	FRD1157437	申请日期	1956.08.21
申请人		发明人	LAFOSSE RENE
分类号	E04C3/42	主分类号	E04C3/42
代理机构		代理人
主权项
地址

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