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发明名称
VIEWING GLASS FOR VACUUM DEVICES
摘要
申请公布号
EP0358851(A3)
申请公布日期
1990.08.16
申请号
EP19890109823
申请日期
1989.05.31
申请人
LEYBOLD AKTIENGESELLSCHAFT
发明人
CONTZEN, FRANZ-PETER;WILMERS, KATRIN
分类号
B01J3/00;(IPC1-7):G02B7/00
主分类号
B01J3/00
代理机构
代理人
主权项
地址
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