APPARATUS FOR PREPARING PHOTOCATHODES OUTSIDE OF PHOTOELECTRIC TUBES,申请号PL19870266867-传众专利搜索

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发明名称	APPARATUS FOR PREPARING PHOTOCATHODES OUTSIDE OF PHOTOELECTRIC TUBES
摘要
申请公布号	PL266867(A1)	申请公布日期	1989.01.23
申请号	PL19870266867	申请日期	1987.07.16
申请人		发明人
分类号	H01L;H01L31/20;(IPC1-7):H01L/	主分类号	H01L
代理机构		代理人
主权项
地址

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