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发明名称
Extrusion apparatus
摘要
申请公布号
US2787022(A)
申请公布日期
1957.04.02
申请号
US19550499276
申请日期
1955.04.05
申请人
THE DOW CHEMICAL COMPANY
发明人
CHISHOLM DOUGLAS S.
分类号
B21C23/01;B21C23/21;B22F3/20;B29B7/42;B29C47/38;B29C47/66;B29C47/84;B30B11/24
主分类号
B21C23/01
代理机构
代理人
主权项
地址
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