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发明名称
Extrusion apparatus
摘要
申请公布号
US2661497(A)
申请公布日期
1953.12.08
申请号
US19510218991
申请日期
1951.04.03
申请人
CELANESE CORPORATION OF AMERICA
发明人
BIRMINGHAM JOHN N.
分类号
B29C47/68
主分类号
B29C47/68
代理机构
代理人
主权项
地址
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