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发明名称
Photographic identifying mark recorder
摘要
申请公布号
US2369431(A)
申请公布日期
1945.02.13
申请号
US19400336934
申请日期
1940.05.24
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
BRYCE JAMES W.
分类号
主分类号
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