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发明名称
Light meter
摘要
申请公布号
US2407564(A)
申请公布日期
1946.09.10
申请号
US19440525318
申请日期
1944.03.06
申请人
GENERAL MOTORS CORPORATION
发明人
MARTIN EDWARD J.;GRINSTEAD CARL E.
分类号
G01J1/44
主分类号
G01J1/44
代理机构
代理人
主权项
地址
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