Perfectionnements aux diaphragmes,申请号FR19650027990-传众专利搜索

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发明名称	Perfectionnements aux diaphragmes
摘要
申请公布号	FR1463015(A)	申请公布日期	1966.06.03
申请号	FR19650027990	申请日期	1965.08.11
申请人	THE MARCONI COMPANY LIMITED	发明人
分类号	G03B9/08	主分类号	G03B9/08
代理机构		代理人
主权项
地址

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