Device for eliminating silent periods between intermittent recordings,申请号US19470722603-传众专利搜索

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发明名称	Device for eliminating silent periods between intermittent recordings
摘要
申请公布号	US2553410(A)	申请公布日期	1951.05.15
申请号	US19470722603	申请日期	1947.01.17
申请人	IPSOPHON PATENTGESELLSCHAFT A.-G.	发明人	HANDSCHIN MAX
分类号	H04M1/64	主分类号	H04M1/64
代理机构		代理人
主权项
地址

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