Aiguille de phonographe.,申请号CHD147511-传众专利搜索

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法人/股东/高管

发明名称	Aiguille de phonographe.
摘要
申请公布号	CH147511(A)	申请公布日期	1931.06.15
申请号	CHD147511	申请日期	1930.04.30
申请人	HELFER,ARMIN GOTTFRIED	发明人	GOTTFRIED HELFER,ARMIN
分类号	G11B3/48	主分类号	G11B3/48
代理机构		代理人
主权项
地址

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