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发明名称
Photoelectric cathode
摘要
申请公布号
US2172164(A)
申请公布日期
1939.09.05
申请号
US19370151291
申请日期
1937.06.30
申请人
ZEISS IKON AKTIENGESELLSCHAFT
发明人
GORLICH PAUL
分类号
H01J1/34;H01J40/06
主分类号
H01J1/34
代理机构
代理人
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地址
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