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经营范围
发明名称
Sewing machine drive
摘要
申请公布号
US2282071(A)
申请公布日期
1942.05.05
申请号
US19410379588
申请日期
1941.02.19
申请人
THE SINGER MANUFACTURING COMPANY
发明人
MARSAC LEONARD C.;GRAESSER DAVID A.
分类号
D05B69/12
主分类号
D05B69/12
代理机构
代理人
主权项
地址
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