éléments de construction légers et capables de porter des charges pour la construction de plafonds, murs, planchers, toitures, etc.,申请号FRD714461-传众专利搜索

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发明名称	éléments de construction légers et capables de porter des charges pour la construction de plafonds, murs, planchers, toitures, etc.
摘要
申请公布号	FR714461(A)	申请公布日期	1931.11.14
申请号	FRD714461	申请日期	1931.03.05
申请人		发明人	LONGWORTH OTTO
分类号	E04B5/10	主分类号	E04B5/10
代理机构		代理人
主权项
地址

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