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发明名称
Direction determination for curve followers including ring for providing digital signals
摘要
申请公布号
US3383516(A)
申请公布日期
1968.05.14
申请号
US19660518841
申请日期
1966.01.05
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
LEIMER JOHN J.
分类号
G06K9/30;G06K11/04
主分类号
G06K9/30
代理机构
代理人
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