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发明名称
Шайба-заглушка для испытания гидравлическим давлением вентилей
摘要
申请公布号
SU19878(A1)
申请公布日期
1931.03.31
申请号
SU19300067391
申请日期
1930.03.31
申请人
FEDORENKO S.S.
发明人
FEDORENKO S.S.
分类号
F16K43/00
主分类号
F16K43/00
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代理人
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