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经营范围
发明名称
Optical apparatus for coordinate selection
摘要
申请公布号
US3215989(A)
申请公布日期
1965.11.02
申请号
US19630332149
申请日期
1963.12.20
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
KETCHLEDGE RAYMOND W.
分类号
G11C13/04
主分类号
G11C13/04
代理机构
代理人
主权项
地址
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