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发明名称
PHOTOCHROMIC EXPOSURE CONTROL
摘要
申请公布号
US3580148(A)
申请公布日期
1971.05.25
申请号
USD3580148
申请日期
1969.08.01
申请人
EASTMAN KODAK CO.
发明人
DONALD M. HARVEY
分类号
G03B7/08;G02F1/01;G03B7/18;G03B17/12;(IPC1-7):G03B9/02;G03B11/00;G02B5/20
主分类号
G03B7/08
代理机构
代理人
主权项
地址
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