Panneaux creux insonores et isolants pour cloisons et revêtements,申请号FRD680677-传众专利搜索

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发明名称	Panneaux creux insonores et isolants pour cloisons et revêtements
摘要
申请公布号	FR680677(A)	申请公布日期	1930.05.05
申请号	FRD680677	申请日期	1929.07.16
申请人		发明人	BRANCO DOMINGOS MARTINS
分类号	E04C2/04	主分类号	E04C2/04
代理机构		代理人
主权项
地址

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