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发明名称
IMPROVEMENTS RELATING TO PHOTOGRAPHIC FLASH APPARATUS
摘要
申请公布号
GB1280410(A)
申请公布日期
1972.07.05
申请号
GB19700030204
申请日期
1970.06.22
申请人
POLAROID CORPORATION
发明人
分类号
G03B15/04
主分类号
G03B15/04
代理机构
代理人
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