Improved remote controlled impulse senders,申请号GB19490032965-传众专利搜索

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发明名称	Improved remote controlled impulse senders
摘要
申请公布号	GB664908(A)	申请公布日期	1952.01.16
申请号	GB19490032965	申请日期	1949.12.23
申请人	AUTOPHONE, LIMITED;ROBERT ISAAC ROSENFELDER	发明人
分类号	H04M1/274	主分类号	H04M1/274
代理机构		代理人
主权项
地址

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