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发明名称
Improvements in or relating to sewing machines
摘要
申请公布号
GB496888(A)
申请公布日期
1938.12.07
申请号
GB19370015727
申请日期
1937.06.07
申请人
AMERICAN MACHINE & FOUNDRY CO.
发明人
分类号
D05B1/02;D05B85/00
主分类号
D05B1/02
代理机构
代理人
主权项
地址
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