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发明名称
Feed control tape sensing devices
摘要
申请公布号
US2842248(A)
申请公布日期
1958.07.08
申请号
US19550556748
申请日期
1955.12.30
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
SALTZ FRED;STREET RAMON L.
分类号
主分类号
代理机构
代理人
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