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发明名称
Production of composite yarns
摘要
申请公布号
US2134022(A)
申请公布日期
1938.10.25
申请号
US19370170605
申请日期
1937.10.23
申请人
CELANESE CORPORATION OF AMERICA
发明人
BELL ANGUS SMITH
分类号
D02G3/28
主分类号
D02G3/28
代理机构
代理人
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