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摘要
申请公布号
US3059363(A)
申请公布日期
1962.10.23
申请号
US19590850152
申请日期
1959.11.02
申请人
MACK VICTOR R
发明人
MACK VICTOR R.
分类号
G09F7/08
主分类号
G09F7/08
代理机构
代理人
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