EINRICHTUNG ZUM HINDURCHSPRECHEN DURCH EINE WAND.,申请号DE196700W9484U-传众专利搜索

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发明名称	EINRICHTUNG ZUM HINDURCHSPRECHEN DURCH EINE WAND.
摘要
申请公布号	DE1963739(U)	申请公布日期	1967.07.06
申请号	DE196700W9484U	申请日期	1967.04.06
申请人	WURAGROHR 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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