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经营范围
发明名称
Apparatus for treating cement slurry and the like
摘要
申请公布号
US1957138(A)
申请公布日期
1934.05.01
申请号
US19300504972
申请日期
1930.12.26
申请人
THE FIRM G. POLYSIUS, AKTIENGESELLSCHAFT
发明人
HASSELBACH ALEXANDER
分类号
F27B7/20
主分类号
F27B7/20
代理机构
代理人
主权项
地址
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