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发明名称
Tracking symbol follower
摘要
申请公布号
US3158858(A)
申请公布日期
1964.11.24
申请号
US19620240070
申请日期
1962.11.26
申请人
AVCO CORPORATION
发明人
RAGEN JACK R.;CROSNO PHILIP M.
分类号
G01S7/22;G01S13/66;G09G1/14
主分类号
G01S7/22
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代理人
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地址
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