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经营范围
发明名称
DIRECT CONTACT HEATER
摘要
申请公布号
SU1553780(A1)
申请公布日期
1990.03.30
申请号
SU19884446056
申请日期
1988.06.22
申请人
SREDNEAZIATSKOE OTDEL VGNI PK I "VNIPIENERGOPROM"
发明人
ABRAMOV ALEKSANDR S,SU;YAKOVLEV ALEKSANDR T,SU
分类号
F22B1/18;F24H1/10
主分类号
F22B1/18
代理机构
代理人
主权项
地址
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