Coin controlled apparatus,申请号US19370122969-传众专利搜索

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发明名称	Coin controlled apparatus
摘要
申请公布号	US2121971(A)	申请公布日期	1938.06.28
申请号	US19370122969	申请日期	1937.01.29
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	LANDRETH MORTON L.
分类号	H04M17/02	主分类号	H04M17/02
代理机构		代理人
主权项
地址

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