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发明名称
Assembly for supporting center cores in annular supply passageways for circumferential extrusion dies and the like
摘要
申请公布号
US2913763(A)
申请公布日期
1959.11.24
申请号
US19560617529
申请日期
1956.10.22
申请人
THE DOW CHEMICAL COMPANY
发明人
LONGSTRETH MURREY O.;TOLLAR JAMES E.
分类号
B29C47/20
主分类号
B29C47/20
代理机构
代理人
主权项
地址
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