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发明名称
Ledger sheet handling device
摘要
申请公布号
US2528421(A)
申请公布日期
1950.10.31
申请号
US19450638344
申请日期
1945.12.29
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
CARROLL FRED M.;BAKELAAR JOHN H.;POND WILLIAM B.
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主分类号
代理机构
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