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发明名称
Computer slide rule for automatic screw machine
摘要
申请公布号
US2848164(A)
申请公布日期
1958.08.19
申请号
US19570654799
申请日期
1957.04.24
申请人
SPELLMAN EDWARD B
发明人
SPELLMAN EDWARD B.
分类号
G06G1/02
主分类号
G06G1/02
代理机构
代理人
主权项
地址
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