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经营范围
发明名称
Improvement in thread controlling mechanism
摘要
申请公布号
GB402618(A)
申请公布日期
1933.12.07
申请号
GB19330002981
申请日期
1933.01.31
申请人
HEMPHILL COMPANY
发明人
分类号
D04B15/38
主分类号
D04B15/38
代理机构
代理人
主权项
地址
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