KAPAZITIVER ELEKTROAKUSTISCHER WANDLER,申请号AT19780004267-传众专利搜索

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发明名称	KAPAZITIVER ELEKTROAKUSTISCHER WANDLER
摘要
申请公布号	ATA426778(A)	申请公布日期	1979.11.15
申请号	AT19780004267	申请日期	1978.06.12
申请人	POLAROID CORPORATION	发明人
分类号	H04R7/24;H04R19/00;(IPC1-7):H04R19/00	主分类号	H04R7/24
代理机构		代理人
主权项
地址

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