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一种耐磨减摩抗辐照老化的核主泵机械密封的副密封结构

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First Author:leimingkai

Disigner of the Invention:liyupeng,zhubao,panxuemin,Dongming Guo

Application Number:CN201810610223.8

Authorization Date:2018-06-13

Authorization number:CN108869382A

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