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经营范围
发明名称
CIRCULATION VALVE
摘要
申请公布号
SU949162(A1)
申请公布日期
1982.08.07
申请号
SU19803219442
申请日期
1980.12.18
申请人
SARATOVSKIJ SP K BYURO V N-PROIZV OBEDINENIYA "SOYUZGAZAVTOMATIKA"
发明人
KOTOV YURIJ I,SU;KONDRATEV VLADIMIR A,SU
分类号
E21B34/06;(IPC1-7):E21B34/06
主分类号
E21B34/06
代理机构
代理人
主权项
地址
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