Procédé de fabrication de plafonds insonores,申请号FRD765962-传众专利搜索

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发明名称	Procédé de fabrication de plafonds insonores
摘要
申请公布号	FR765962(A)	申请公布日期	1934.06.19
申请号	FRD765962	申请日期	1933.03.15
申请人	TRAVAUX PUBLICS DU CENTRE;C. BOULLAND & COMPAGNIE	发明人
分类号	E04B9/00	主分类号	E04B9/00
代理机构		代理人
主权项
地址

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