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经营范围
发明名称
Cooling apparatus for pulverulent or granular material
摘要
申请公布号
US1789021(A)
申请公布日期
1931.01.13
申请号
US19290392205
申请日期
1929.09.12
申请人
VICKERSARMSTRONGS LIMITED
发明人
PARKER LIONEL DOUGLAS
分类号
F27B7/40
主分类号
F27B7/40
代理机构
代理人
主权项
地址
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