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Apparatus for the treatment of filamentary materials

申请公布号:US2586800(A)

申请号:US19460705122

申请日期:1946.10.23

申请公布日期:1952.02.26

申请人:
CELANESE CORPORATION

发明人:ELVIN WILLIAM J.;WARREN LUTHER A.

分类号:D02J1/22

主分类号:D02J1/22

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