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经营范围
发明名称
Photographic film transporter
摘要
申请公布号
US2562708(A)
申请公布日期
1951.07.31
申请号
US19500139731
申请日期
1950.01.20
申请人
DAVID FLEKEL
发明人
FLEKEL DAVID
分类号
G03B27/62
主分类号
G03B27/62
代理机构
代理人
主权项
地址
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