Wachsband für Schallaufnahmen in mechanischer Schallschrift.,申请号CHD240489-传众专利搜索

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发明名称	Wachsband für Schallaufnahmen in mechanischer Schallschrift.
摘要
申请公布号	CH240489(A)	申请公布日期	1945.12.31
申请号	CHD240489	申请日期	1944.09.11
申请人	SCHALLBAND-SYNDIKAT AG.	发明人	AG. SCHALLBAND-SYNDIKAT
分类号	G11B3/70	主分类号	G11B3/70
代理机构		代理人
主权项
地址

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