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发明名称
Dispositif de desserrage de la tension pour machines à coudre
摘要
申请公布号
FR868084(A)
申请公布日期
1941.12.15
申请号
FRD868084
申请日期
1940.12.13
申请人
THE SINGER MANUFACTURING COMPANY
发明人
分类号
D05B3/06;D05B73/12
主分类号
D05B3/06
代理机构
代理人
主权项
地址
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