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Reading recorded data
摘要
申请公布号
US2991450(A)
申请公布日期
1961.07.04
申请号
US19550508041
申请日期
1955.05.13
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
FLINT ERLON W.
分类号
G06F3/06
主分类号
G06F3/06
代理机构
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