Improved method of applying carbon layers in television tubes,申请号GB19370030824-传众专利搜索

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发明名称	Improved method of applying carbon layers in television tubes
摘要
申请公布号	GB506072(A)	申请公布日期	1939.05.23
申请号	GB19370030824	申请日期	1938.09.30
申请人	WILLIAM WARREN TRIGGS	发明人
分类号	H01J29/88	主分类号	H01J29/88
代理机构		代理人
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