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一种动态预旋与轴向推进式水力旋流器

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First Author:hudapeng

Disigner of the Invention:zoujiupeng,Peiqi LIU,DAI Yuqiang,zhuche,Liu Fengxia

Application Number:CN201020110292.1

Authorization Date:2010-02-06

Authorization number:CN201832722U

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