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发明名称
INTERVAL TIMER
摘要
申请公布号
US3440370(A)
申请公布日期
1969.04.22
申请号
USD3440370
申请日期
1967.01.30
申请人
WESTINGHOUSE ELECTRIC CORP.
发明人
THOMAS G. WILLIS;EUGENE C. KNECHT
分类号
G04C23/16;(IPC1-7):H01H7/08;H01H43/04;H01H43/10
主分类号
G04C23/16
代理机构
代理人
主权项
地址
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