Improvements relating to variable electrical phase-shifters for circularly polarisedwaves,申请号GB19550031895-传众专利搜索

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发明名称	Improvements relating to variable electrical phase-shifters for circularly polarisedwaves
摘要
申请公布号	GB781672(A)	申请公布日期	1957.08.21
申请号	GB19550031895	申请日期	1955.11.08
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H01P1/18;H01Q3/32	主分类号	H01P1/18
代理机构		代理人
主权项
地址

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