Telephone dial actuator,申请号US19320612279-传众专利搜索

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发明名称	Telephone dial actuator
摘要
申请公布号	US1904413(A)	申请公布日期	1933.04.18
申请号	US19320612279	申请日期	1932.05.19
申请人	COLLVER JULIUS P	发明人	COLLVER JULIUS P.
分类号	H04M1/23	主分类号	H04M1/23
代理机构		代理人
主权项
地址

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