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发明名称
Time controlled switch
摘要
申请公布号
US1885482(A)
申请公布日期
1932.11.01
申请号
US19310537703
申请日期
1931.05.15
申请人
SAAR JR ADOLF H
发明人
JR. ADOLF H. SAAR,
分类号
G04C23/20
主分类号
G04C23/20
代理机构
代理人
主权项
地址
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