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发明名称
CAMERA EXPOSURE APPARATUS
摘要
申请公布号
US3498194(A)
申请公布日期
1970.03.03
申请号
USD3498194
申请日期
1967.09.15
申请人
POLAROID CORP.
发明人
ALFRED H. BELLOWS
分类号
G03B7/081;(IPC1-7):G01J1/00;G01J1/52
主分类号
G03B7/081
代理机构
代理人
主权项
地址
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