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The improvement structure of tubular hydropower generator main lead
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A kind of wind-guiding band installed with bolt
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A kind of polycyclic magnetic yoke structure of segmentation
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A kind of aeration structure of medium and small vertical hydrogenerator
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A kind of steel ball guide groove with arc surface
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A kind of multifunctional column type water distributor assembly tooling that vertical unit uses
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A kind of runner envelope barrel pressure forming die of spherical curve rotary structure pattern
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A kind of outer gate barrel barrel pressure molding die of spherical curve rotary structure pattern
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