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经营范围
发明名称
Rheostat
摘要
申请公布号
US2383987(A)
申请公布日期
1945.09.04
申请号
US19430508292
申请日期
1943.10.30
申请人
EMPIRE ELECTRIC BRAKE CORPORATION
发明人
PENROSE WILLIAM F.
分类号
H01C10/32
主分类号
H01C10/32
代理机构
代理人
主权项
地址
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