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发明名称
LIGHT SENSITIVE CELL
摘要
申请公布号
CA331895(A)
申请公布日期
1933.04.18
申请号
CAD331895
申请日期
申请人
THE RADIOVISOR FOREIGN AND COLONIAL LIMITED
发明人
FREDERICK HURN CONSTABLE
分类号
主分类号
代理机构
代理人
主权项
地址
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