Improvements in or relating to crystal contact devices and to methods of manufacturethereof,申请号GB19480027825-传众专利搜索

发明名称	Improvements in or relating to crystal contact devices and to methods of manufacturethereof
摘要
申请公布号	GB646674(A)	申请公布日期	1950.11.29
申请号	GB19480027825	申请日期	1948.10.26
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;ROBERT LEONARD BREADNER;RONALD WALTER DOUGLAS	发明人
分类号	H01L21/48;H01L29/00	主分类号	H01L21/48
代理机构		代理人
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