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经营范围
发明名称
RING VALVE
摘要
申请公布号
SU1564385(A1)
申请公布日期
1990.05.15
申请号
SU19884392472
申请日期
1988.03.14
申请人
DROGOBYCHSKOE PK T BYURO NT OBEDINENIYA "SOYUZGAZTEKHNOLOGIYA"
发明人
BUTRIJ NIKOLAJ P,SU;BARANENKO VIKTOR D,SU
分类号
F04B39/10;F16K15/08
主分类号
F04B39/10
代理机构
代理人
主权项
地址
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