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发明名称
Photo-electric tracking devices
摘要
申请公布号
US3180993(A)
申请公布日期
1965.04.27
申请号
US19610135845
申请日期
1961.09.05
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
BARBER CLIFFORD CHARLES
分类号
B23Q35/128
主分类号
B23Q35/128
代理机构
代理人
主权项
地址
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