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发明名称
Improvements in or relating to sewing machines
摘要
申请公布号
GB336360(A)
申请公布日期
1930.10.16
申请号
GB19290025862
申请日期
1929.08.24
申请人
GUSTAV TITTEL
发明人
分类号
D05B3/02;D05B73/12
主分类号
D05B3/02
代理机构
代理人
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