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发明名称
Time controlled switch
摘要
申请公布号
US1865919(A)
申请公布日期
1932.07.05
申请号
US19270235388
申请日期
1927.11.23
申请人
KING WALTER L
发明人
KING WALTER L.
分类号
G04C23/16
主分类号
G04C23/16
代理机构
代理人
主权项
地址
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