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发明名称
Устройство для подогрева питательной воды паровоза
摘要
申请公布号
SU78822(A1)
申请公布日期
1948.11.30
申请号
SU19470372558
申请日期
1947.12.31
申请人
GEK V.I.;KOVNER G.M.;CHIRKOV A.A.
发明人
GEK V.I.;KOVNER G.M.;CHIRKOV A.A.
分类号
F22D1/42
主分类号
F22D1/42
代理机构
代理人
主权项
地址
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