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发明名称
Microfilm reader
摘要
申请公布号
US2746344(A)
申请公布日期
1956.05.22
申请号
US19510247682
申请日期
1951.09.21
申请人
DIEBOLD, INCORPORATED
发明人
PRATT VERNEUR E.;GRAY GEORGE F.
分类号
G03B21/11
主分类号
G03B21/11
代理机构
代理人
主权项
地址
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