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发明名称
Improvements in and relating to sewing machines
摘要
申请公布号
GB586426(A)
申请公布日期
1947.03.18
申请号
GB19450004981
申请日期
1945.02.28
申请人
KENNETH BULLEN
发明人
分类号
D05B69/30
主分类号
D05B69/30
代理机构
代理人
主权项
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