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发明名称
Automatically regulating the intensity of a printing light
摘要
申请公布号
US1999556(A)
申请公布日期
1935.04.30
申请号
US19280324016
申请日期
1928.12.05
申请人
MOVIETONEWS, INC.
发明人
BALSLEY JAMES R.
分类号
G01J1/42
主分类号
G01J1/42
代理机构
代理人
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地址
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