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经营范围
发明名称
Improvements in rotary or motor driven rheostats
摘要
申请公布号
GB387484(A)
申请公布日期
1933.02.09
申请号
GB19310036069
申请日期
1931.12.31
申请人
THE CURTIS MANUFACTURING COMPANY LIMITED;FREDERICK CHARLES CURTIS
发明人
分类号
H05B37/02
主分类号
H05B37/02
代理机构
代理人
主权项
地址
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