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经营范围
发明名称
Extruder
摘要
申请公布号
US2791802(A)
申请公布日期
1957.05.14
申请号
US19530340309
申请日期
1953.03.04
申请人
CELANESE CORPORATION
发明人
WEBER HAROLD
分类号
B29C47/10;B29C47/38;D01D1/04;D01D1/06
主分类号
B29C47/10
代理机构
代理人
主权项
地址
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