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发明名称
VALVE
摘要
申请公布号
SU1581952(A1)
申请公布日期
1990.07.30
申请号
SU19864047381
申请日期
1986.03.05
申请人
BELKOVETS PETR V,SU
发明人
BELKOVETS PETR V,SU
分类号
F16K17/04
主分类号
F16K17/04
代理机构
代理人
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