Disposition de membrane,申请号FRD762029-传众专利搜索

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发明名称	Disposition de membrane
摘要
申请公布号	FR762029(A)	申请公布日期	1934.04.03
申请号	FRD762029	申请日期	1933.10.06
申请人	OSCILLOPLANE	发明人
分类号	H04R19/00	主分类号	H04R19/00
代理机构		代理人
主权项
地址

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