Improvements in wireless telegraphy receiving apparatus,申请号GB19280033246-传众专利搜索

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发明名称	Improvements in wireless telegraphy receiving apparatus
摘要
申请公布号	GB324445(A)	申请公布日期	1930.01.30
申请号	GB19280033246	申请日期	1928.11.13
申请人	PATRICK WILLIAM CECIL HOLLOWELL	发明人
分类号	H03D1/10	主分类号	H03D1/10
代理机构		代理人
主权项
地址

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