PROCEDURE FOR PROTECTING AN APERTURE DURING THE PRODUCTION OF ELECTRON BEAM PULSES,申请号EP19900119717-传众专利搜索

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发明名称	PROCEDURE FOR PROTECTING AN APERTURE DURING THE PRODUCTION OF ELECTRON BEAM PULSES
摘要
申请公布号	EP0428867(A3)	申请公布日期	1991.10.09
申请号	EP19900119717	申请日期	1990.10.15
申请人	MESSER GRIESHEIM GMBH	发明人	RAPPAT, FRANZ JOSEF;SCHEFFELS, WILHELM, DR.;SCHWAB, ULRICH, DR.
分类号	G02B5/00;H01J37/09;H01J37/147;H01J37/30;(IPC1-7):H01J37/09	主分类号	G02B5/00
代理机构		代理人
主权项
地址

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