High frequency signalling system,申请号GB19350012165-传众专利搜索

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发明名称	High frequency signalling system
摘要
申请公布号	GB441970(A)	申请公布日期	1936.01.30
申请号	GB19350012165	申请日期	1935.04.23
申请人	HAZELTINE CORPORATION	发明人
分类号	H03F3/02;H03G11/00	主分类号	H03F3/02
代理机构		代理人
主权项
地址

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