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发明名称
PISTON SEAL
摘要
申请公布号
RU1789804(C)
申请公布日期
1993.01.23
申请号
SU19904887771
申请日期
1990.12.04
申请人
NI T I "PROGRESS"
发明人
ALEKSEEV VALERIJ P,SU
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
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