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发明名称
Roll film photographic camera
摘要
申请公布号
US2548924(A)
申请公布日期
1951.04.17
申请号
US19480045497
申请日期
1948.08.21
申请人
WEIR ALFRED D
发明人
WEIR ALFRED D.
分类号
G03B19/04
主分类号
G03B19/04
代理机构
代理人
主权项
地址
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