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发明名称
摘要
申请公布号
DE2931746(C2)
申请公布日期
1989.11.09
申请号
DE19792931746
申请日期
1979.08.04
申请人
LICENTIA PATENT-VERWALTUNGS-GMBH, 6000 FRANKFURT, DE
发明人
MALZAHN, PETER, 7900 ULM, DE
分类号
H01J23/04;H01J23/06
主分类号
H01J23/04
代理机构
代理人
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地址
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