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经营范围
发明名称
Extendable shade in instant camera for protecting film unit from ambient light
摘要
申请公布号
US5019842(A)
申请公布日期
1991.05.28
申请号
US19890459342
申请日期
1989.12.29
申请人
POLAROID CORPORATION
发明人
FRASER, RICHARD J.;LAUNIE, KENNETH J.
分类号
G03B17/04;G03B17/52
主分类号
G03B17/04
代理机构
代理人
主权项
地址
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