Improvements in or relating to apertured structures with double curvature,申请号GB19560033151-传众专利搜索

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发明名称	Improvements in or relating to apertured structures with double curvature
摘要
申请公布号	GB810249(A)	申请公布日期	1959.03.11
申请号	GB19560033151	申请日期	1956.10.30
申请人	THE DECCA RECORD COMPANY LIMITED	发明人	BARNETT ARTHUR ALEC CECIL;WALLER CHRISTOPHER ALBERT;ELY TIMOTHY ELIOT
分类号	H01Q15/14	主分类号	H01Q15/14
代理机构		代理人
主权项
地址

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