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经营范围
发明名称
Improvements in travellers for ring spinning and ring doubling frames
摘要
申请公布号
GB392093(A)
申请公布日期
1933.05.11
申请号
GB19320032639
申请日期
1932.11.18
申请人
THE FIRM CARL HOFMANN
发明人
分类号
D01H7/60
主分类号
D01H7/60
代理机构
代理人
主权项
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