LAERMFILTER FUER DAS MENSCHLICHE OHR.,申请号DE196000P7427U-传众专利搜索

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发明名称	LAERMFILTER FUER DAS MENSCHLICHE OHR.
摘要
申请公布号	DE1831700(U)	申请公布日期	1961.05.25
申请号	DE196000P7427U	申请日期	1960.11.15
申请人	H. PFAU-WANFRIED G.M.B.H.	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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