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经营范围
发明名称
Prevention of Al2O3 formation in pouring nozzles and the like
摘要
申请公布号
US4870037(A)
申请公布日期
1989.09.26
申请号
US19870100080
申请日期
1987.09.23
申请人
VESUVIUS CRUCIBLE COMPANY
发明人
HOGGARD, DALE B.;PARK, HAN K.
分类号
B22D41/02;B22D41/54;C04B35/597;(IPC1-7):C04B35/58
主分类号
B22D41/02
代理机构
代理人
主权项
地址
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