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发明名称
ELECTRIC SWITCHING DEVICE
摘要
申请公布号
CA890623(A)
申请公布日期
1972.01.11
申请号
CAD890623
申请日期
申请人
ARROW-HART
发明人
ROBERT F. CLOUGH;LAWRENCE G. COREY;JOHN J. OPALENIK
分类号
主分类号
代理机构
代理人
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