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发明名称
Improvements in or relating to thread pulling devices for sewing machines
摘要
申请公布号
GB754618(A)
申请公布日期
1956.08.08
申请号
GB19540025060
申请日期
1954.08.30
申请人
G. M. PFAFF A.-G.
发明人
分类号
D05B3/06;D05B65/00
主分类号
D05B3/06
代理机构
代理人
主权项
地址
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