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发明名称
Sewing-machine-motor controller
摘要
申请公布号
US1792817(A)
申请公布日期
1931.02.17
申请号
US19270210285
申请日期
1927.08.03
申请人
THE SINGER MANUFACTURING COMPANY
发明人
CHASON DANIEL H.
分类号
D05B69/18
主分类号
D05B69/18
代理机构
代理人
主权项
地址
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