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发明名称
Yarn and process of making it
摘要
申请公布号
US2281647(A)
申请公布日期
1942.05.05
申请号
US19410386450
申请日期
1941.04.02
申请人
CELANESE CORPORATION OF AMERICA
发明人
WHITEHEAD WILLIAM
分类号
D02G3/36
主分类号
D02G3/36
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