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经营范围
发明名称
SAFETY VALVE
摘要
申请公布号
SU877199(A1)
申请公布日期
1981.10.30
申请号
SU19802880376
申请日期
1980.02.12
申请人
UK NII GIDROTEKHNIKI MELIORATSII
发明人
GRIN YURIJ I,SU
分类号
F16K17/10;(IPC1-7):F16K17/10
主分类号
F16K17/10
代理机构
代理人
主权项
地址
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