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发明名称
Method of making yarn
摘要
申请公布号
US2216377(A)
申请公布日期
1940.10.01
申请号
US19390274187
申请日期
1939.05.17
申请人
SORENSEN CARL C
发明人
SORENSEN CARL C.
分类号
D02G3/36
主分类号
D02G3/36
代理机构
代理人
主权项
地址
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