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经营范围
发明名称
Cellule photoélectrique
摘要
申请公布号
FR700606(A)
申请公布日期
1931.03.05
申请号
FRD700606
申请日期
1930.08.13
申请人
发明人
WALTON GEORGE WILLIAM
分类号
H01J40/00;H01J40/16;H01J43/02
主分类号
H01J40/00
代理机构
代理人
主权项
地址
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