Moyen d'absorption phonique dans les locaux,申请号FRD1108046-传众专利搜索

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发明名称	Moyen d'absorption phonique dans les locaux
摘要
申请公布号	FR1108046(A)	申请公布日期	1956.01.09
申请号	FRD1108046	申请日期	1954.06.30
申请人		发明人	FLEURENT ROBERT
分类号	E04B1/82	主分类号	E04B1/82
代理机构		代理人
主权项
地址

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