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发明名称
Устройство для регулирования тяги в паровых котлах
摘要
申请公布号
SU111457(A1)
申请公布日期
1957.11.30
申请号
SU19570568730
申请日期
1957.03.11
申请人
FROLOV P.V.
发明人
FROLOV P.V.
分类号
F23N3/00
主分类号
F23N3/00
代理机构
代理人
主权项
地址
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