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发明名称
Improvements in or relating to thread controlling devices for sewing machines
摘要
申请公布号
GB386522(A)
申请公布日期
1933.01.19
申请号
GB19320014817
申请日期
1932.05.25
申请人
UNION SPECIAL MACHINE COMPANY
发明人
分类号
D05B63/00
主分类号
D05B63/00
代理机构
代理人
主权项
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