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经营范围
发明名称
Exposure meter
摘要
申请公布号
US2924144(A)
申请公布日期
1960.02.09
申请号
US19570680099
申请日期
1957.08.26
申请人
GENERAL ELECTRIC COMPANY
发明人
BAKKE HANS A.;STIMSON ALLEN G.
分类号
G01J1/42
主分类号
G01J1/42
代理机构
代理人
主权项
地址
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