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经营范围
发明名称
Production of group iv, subgroup a, metal prills
摘要
申请公布号
US3021562(A)
申请公布日期
1962.02.20
申请号
US19570649809
申请日期
1957.04.01
申请人
THE DOW CHEMICAL COMPANY
发明人
CHISHOLM DOUGLAS S.;HALL DON F.
分类号
B22F9/14
主分类号
B22F9/14
代理机构
代理人
主权项
地址
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