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经营范围
发明名称
Improvements in or relating to photosensitive electrodes
摘要
申请公布号
GB500531(A)
申请公布日期
1939.02.10
申请号
GB19380023709
申请日期
1938.08.11
申请人
ELECTRICAL RESEARCH PRODUCTS INCORPORATED
发明人
分类号
H01J40/06
主分类号
H01J40/06
代理机构
代理人
主权项
地址
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