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发明名称
Thread cutting mechanism for buttonhole sewing machines
摘要
申请公布号
GB352214(A)
申请公布日期
1931.07.09
申请号
GB19300018833
申请日期
1930.06.20
申请人
THE SINGER MANUFACTURING COMPANY
发明人
分类号
D05B65/00
主分类号
D05B65/00
代理机构
代理人
主权项
地址
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