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发明名称
PRESSURE-RELIEF VALVE
摘要
申请公布号
SU1543049(A1)
申请公布日期
1990.02.15
申请号
SU19874328243
申请日期
1987.10.13
申请人
V NEFTYANOJ NII PO TEKHNIKE BEZOPASNOSTI
发明人
KIRSH BORIS A,SU;KHACHATUROVA NINA S,SU
分类号
E21B34/00
主分类号
E21B34/00
代理机构
代理人
主权项
地址
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