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发明名称
Magnetic stepping motor
摘要
申请公布号
US1757922(A)
申请公布日期
1930.05.06
申请号
US19270204974
申请日期
1927.07.11
申请人
EMILE QUARTIER
发明人
QUARTIER EMILE
分类号
G04C1/02
主分类号
G04C1/02
代理机构
代理人
主权项
地址
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