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经营范围
发明名称
Balling drum
摘要
申请公布号
US2984861(A)
申请公布日期
1961.05.23
申请号
US19590857681
申请日期
1959.12.07
申请人
KOPPERS COMPANY, INC.
发明人
JR. GORDON L. COX,;JR. LINWOOD G. TUCKER,
分类号
B01F9/00;B01F9/08;B01J2/12;C22B1/24
主分类号
B01F9/00
代理机构
代理人
主权项
地址
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