Improvements in or relating to electric or electromagnetic transmission networks or bridges,申请号GB19420014939-传众专利搜索

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发明名称	Improvements in or relating to electric or electromagnetic transmission networks or bridges
摘要
申请公布号	GB623354(A)	申请公布日期	1949.05.17
申请号	GB19420014939	申请日期	1942.10.23
申请人	SPERRY GYROSCOPE COMPANY INC.	发明人
分类号	C07F9/94;H01P1/213	主分类号	C07F9/94
代理机构		代理人
主权项
地址

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