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发明名称
UNIT SECURING HEAT-EXCHANGE PIPE IN HOLE OF HEAT EXCHANGER SUPPORT GRATE
摘要
申请公布号
SU649940(A1)
申请公布日期
1979.02.28
申请号
SU19772451271
申请日期
1977.02.07
申请人
ERMAKOV YURIJ G,SU;MIKHAJLOV VYACHESLAV S,SU
发明人
ERMAKOV YURIJ G,SU;MIKHAJLOV VYACHESLAV S,SU
分类号
F28F9/22;(IPC1-7):F28F9/22
主分类号
F28F9/22
代理机构
代理人
主权项
地址
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