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发明名称
SEAL OF VERTICAL SHAFT IN DUST-LADEN GASEOUS MEDIUM
摘要
申请公布号
RU1800179(C)
申请公布日期
1993.03.07
申请号
SU19904887870
申请日期
1990.12.04
申请人
KAMENSKIJ KHIMKOMBINAT "ROSSIYA"
发明人
SKRIPITSA VLADIMIR V,SU
分类号
F16J15/40
主分类号
F16J15/40
代理机构
代理人
主权项
地址
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