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经营范围
发明名称
Electric motor
摘要
申请公布号
US1890800(A)
申请公布日期
1932.12.13
申请号
US19300462839
申请日期
1930.06.21
申请人
WARD WILLIAMS
发明人
WILLIAMS WARD
分类号
H02K7/065
主分类号
H02K7/065
代理机构
代理人
主权项
地址
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