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发明名称
Circuit breaker switch
摘要
申请公布号
US2720566(A)
申请公布日期
1955.10.11
申请号
US19540447337
申请日期
1954.08.02
申请人
CLARENCE RINGWALD
发明人
RINGWALD CLARENCE
分类号
H01H73/30
主分类号
H01H73/30
代理机构
代理人
主权项
地址
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