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发明名称
SHUT-OFF DEVICE
摘要
申请公布号
SU1516712(A1)
申请公布日期
1989.10.23
申请号
SU19874262610
申请日期
1987.06.15
申请人
VOLZHSKIJ NII GIDROTEKHNIKI MELIORATSII
发明人
KOSHKIN NIKOLAJ M,SU;KOSHKINA VALENTINA V,SU
分类号
F16K47/02;F16L55/02
主分类号
F16K47/02
代理机构
代理人
主权项
地址
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