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经营范围
发明名称
PHOTOGRAPHIC FRAMING AND EXPOSURE APPARATUS
摘要
申请公布号
US3473873(A)
申请公布日期
1969.10.21
申请号
USD3473873
申请日期
1967.05.01
申请人
POLAROID CORP.
发明人
ROBERT D. BRACKETT
分类号
G03B15/00;G03B27/58;(IPC1-7):G03B27/52;G03B13/24;G03B13/26
主分类号
G03B15/00
代理机构
代理人
主权项
地址
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