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发明名称
Apparatus for preliminary treatment of raw material mixed for cement burning
摘要
申请公布号
US1955277(A)
申请公布日期
1934.04.17
申请号
US19310533463
申请日期
1931.04.28
申请人
F. L. SMIDTH & CO.
发明人
FASTING JOHAN S.
分类号
F27B7/20
主分类号
F27B7/20
代理机构
代理人
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地址
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