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经营范围
发明名称
Continuous hollow casting
摘要
申请公布号
US2853754(A)
申请公布日期
1958.09.30
申请号
US19570672492
申请日期
1957.07.17
申请人
THE DOW CHEMICAL COMPANY
发明人
PADDOCK RICHARD K.
分类号
B22D11/00
主分类号
B22D11/00
代理机构
代理人
主权项
地址
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