Poutre d'acier en treillis,申请号FRD1130956-传众专利搜索

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发明名称	Poutre d'acier en treillis
摘要
申请公布号	FR1130956(A)	申请公布日期	1957.02.14
申请号	FRD1130956	申请日期	1955.09.14
申请人		发明人	PUWEIN MAX GEORG
分类号	E04C5/065	主分类号	E04C5/065
代理机构		代理人
主权项
地址

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