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发明名称
Элемент пароперегревателя
摘要
申请公布号
SU21157(A1)
申请公布日期
1931.07.31
申请号
SU19300074130
申请日期
1930.08.01
申请人
PETROV P.I.
发明人
PETROV P.I.
分类号
F22G3/00;F28F13/12
主分类号
F22G3/00
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