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发明名称
Controlling device
摘要
申请公布号
US1780752(A)
申请公布日期
1930.11.04
申请号
US19250009461
申请日期
1925.02.16
申请人
KINNEY FREDERICK C;STOCKTON WALTER T
发明人
KINNEY FREDERICK C.;STOCKTON WALTER T.
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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