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发明名称
Slide rule
摘要
申请公布号
US2628025(A)
申请公布日期
1953.02.10
申请号
US19510215135
申请日期
1951.03.12
申请人
QUILLINAN MICHAEL J
发明人
QUILLINAN MICHAEL J.
分类号
G06G1/04
主分类号
G06G1/04
代理机构
代理人
主权项
地址
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