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经营范围
发明名称
Oberfadenspannungsvorrichtung fuer Naehmaschinen
摘要
申请公布号
DE559591(C)
申请公布日期
1932.09.21
申请号
DED559591D
申请日期
1930.07.25
申请人
THE SINGER MANUFACTURING COMPANY
发明人
分类号
D05B47/00
主分类号
D05B47/00
代理机构
代理人
主权项
地址
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