Fremgangsmaade og Apparat til Nedskrivning af Lyd.,申请号DKD55822-传众专利搜索

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发明名称	Fremgangsmaade og Apparat til Nedskrivning af Lyd.
摘要
申请公布号	DK55822(C)	申请公布日期	1939.02.13
申请号	DKD55822	申请日期	1937.07.22
申请人	DR. PHIL. KARL HERMANN FRANZ SCHLEGEL	发明人	DR. PHIL. KARL HERMANN FRANZ SCHLEGEL
分类号		主分类号
代理机构		代理人
主权项
地址

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