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经营范围
发明名称
Heat exchange between granular material and gas
摘要
申请公布号
US3305940(A)
申请公布日期
1967.02.28
申请号
US19640396159
申请日期
1964.09.14
申请人
WALTER ISLER
发明人
ISLER WALTER
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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