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发明名称
Improvements relating to the flyers and yarn or thread guides thereof for spinning and twisting frames
摘要
申请公布号
GB517962(A)
申请公布日期
1940.02.13
申请号
GB19390022120
申请日期
1939.07.31
申请人
JOHN PATTERSON
发明人
分类号
D01H7/48
主分类号
D01H7/48
代理机构
代理人
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