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发明名称
Apparatus for heating cement raw material
摘要
申请公布号
US1801467(A)
申请公布日期
1931.04.21
申请号
US19290337153
申请日期
1929.02.02
申请人
UHLE DAVID J;GRUNEWALD MAX E
发明人
UHLE DAVID J.;GRUNEWALD MAX E.
分类号
F27B7/08
主分类号
F27B7/08
代理机构
代理人
主权项
地址
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