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发明名称
Filter treatment
摘要
申请公布号
US2330211(A)
申请公布日期
1943.09.28
申请号
US19400325657
申请日期
1940.03.23
申请人
CELANESE CORPORATION OF AMERICA
发明人
HANEY CLIFFORD I.
分类号
D01D1/10
主分类号
D01D1/10
代理机构
代理人
主权项
地址
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