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发明名称
EXTRUSION DIE FOR PLASTIC EXTRUDERS
摘要
申请公布号
CA631540(A)
申请公布日期
1961.11.21
申请号
CAD631540
申请日期
申请人
THE DOW CHEMICAL COMPANY
发明人
DOUGLAS S. CHISHOLM;HAROLD R. BYLSMA
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