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发明名称
REVERSIBLE COUNTER
摘要
申请公布号
US3560721(A)
申请公布日期
1971.02.02
申请号
USD3560721
申请日期
1966.12.29
申请人
AMERICAN OPTICAL CORP.
发明人
ELDON D. VAUGHN
分类号
H03K23/00;(IPC1-7):G06M3/14
主分类号
H03K23/00
代理机构
代理人
主权项
地址
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