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发明名称
Improvements in or relating to sewing machines
摘要
申请公布号
GB481718(A)
申请公布日期
1938.03.16
申请号
GB19370023574
申请日期
1937.08.27
申请人
MASCHINENWERKE ZU FRANKFURT AM MAIN
发明人
分类号
D05B23/00;H02J3/46
主分类号
D05B23/00
代理机构
代理人
主权项
地址
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