AUTOMATIC IMPULSE SENDER,申请号CAD508903-传众专利搜索

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发明名称	AUTOMATIC IMPULSE SENDER
摘要
申请公布号	CA508903(A)	申请公布日期	1955.01.04
申请号	CAD508903	申请日期
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	DAVID B. PARKINSON
分类号	H04M1/272	主分类号	H04M1/272
代理机构		代理人
主权项
地址

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