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发明名称
EXPOSURE CONTROL MECHANISM FOR A PHOTOGRAPHIC CAMERA
摘要
申请公布号
CA882838(A)
申请公布日期
1971.10.05
申请号
CAD882838
申请日期
申请人
POLAROID CORPORATION
发明人
BRUCE K. JOHNSON
分类号
主分类号
代理机构
代理人
主权项
地址
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