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发明名称
Водоподогреватель для паровозов
摘要
申请公布号
SU19212(A1)
申请公布日期
1931.02.28
申请号
SU19300061651
申请日期
1930.01.03
申请人
BRYANTSEV S.N.
发明人
BRYANTSEV S.N.
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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