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发明名称
PRECISION SLIDE RULE COMPUTING MECHANISM
摘要
申请公布号
US3468478(A)
申请公布日期
1969.09.23
申请号
USD3468478
申请日期
1968.01.12
申请人
EDWARD D. DUNN JR.
发明人
EDWARD D. DUNN JR.
分类号
G06G1/00;(IPC1-7):G06C27/00
主分类号
G06G1/00
代理机构
代理人
主权项
地址
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