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经营范围
发明名称
Multiple electric circuit controller
摘要
申请公布号
US2607841(A)
申请公布日期
1952.08.19
申请号
US19490111516
申请日期
1949.08.20
申请人
RUFLE GEORGE H
发明人
RUFLE GEORGE H.
分类号
G09G3/00
主分类号
G09G3/00
代理机构
代理人
主权项
地址
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