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发明名称
Controller for electric motors
摘要
申请公布号
US1749389(A)
申请公布日期
1930.03.04
申请号
US19260150939
申请日期
1926.11.26
申请人
CUTLER-HAMMER INC.
发明人
MILBURN WILLIAM R.
分类号
B66C13/30
主分类号
B66C13/30
代理机构
代理人
主权项
地址
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