éléments préfabriqués pour la réalisation des planchers,申请号FRD986054-传众专利搜索

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发明名称	éléments préfabriqués pour la réalisation des planchers
摘要
申请公布号	FR986054(A)	申请公布日期	1951.07.26
申请号	FRD986054	申请日期	1949.06.17
申请人		发明人	GRUET EMILE
分类号		主分类号
代理机构		代理人
主权项
地址

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