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发明名称
Автоматический воздушный клапан
摘要
申请公布号
SU19881(A1)
申请公布日期
1931.03.31
申请号
SU19300067909
申请日期
1930.04.07
申请人
NEVZOROV V.M.
发明人
NEVZOROV V.M.
分类号
F16K31/16
主分类号
F16K31/16
代理机构
代理人
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地址
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