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发明名称
IMPROVEMENTS RELATING TO PHOTOGRAPHIC APPARATUS
摘要
申请公布号
GB1240536(A)
申请公布日期
1971.07.28
申请号
GB19690034558
申请日期
1969.07.09
申请人
POLAROID CORPORATION
发明人
分类号
G03B17/52
主分类号
G03B17/52
代理机构
代理人
主权项
地址
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