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发明名称
Means for sensing and correcting web curling
摘要
申请公布号
US2806412(A)
申请公布日期
1957.09.17
申请号
US19540478668
申请日期
1954.12.30
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
GURLEY GREY M.;CARROLL FRED M.
分类号
G06K19/02
主分类号
G06K19/02
代理机构
代理人
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