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发明名称
Винтовой угловой обратный клапан, преимущественно к центробежным насосам
摘要
申请公布号
SU34319(A1)
申请公布日期
1934.01.31
申请号
SU19310091257
申请日期
1931.07.07
申请人
BRAZHNIK E.YA.;PRESNYAKOV N.N.
发明人
BRAZHNIK E.YA.;PRESNYAKOV N.N.
分类号
F04D29/00
主分类号
F04D29/00
代理机构
代理人
主权项
地址
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