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CN107671557A
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A kind of novel and multifunctional valve processing guider
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CN107716997A
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A kind of Novel multi-functional fire valve machining tool
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CN107654665A
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It is easy to adjust the preparation method of the butterfly valve of rate of flow of fluid
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CN107654669A
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It is easy to adjust the preparation method of the valve of rate of flow of fluid
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CN107654668A
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The preparation method of butterfly plate impact resistance more preferably valve
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CN107654679A
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The preparation method of the better valve of fluid cushion
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CN107654666A
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The preparation method of the butterfly valve of fluid impact dynamics can be reduced
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CN107654667A
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The preparation method of butterfly valve with coarse filtration function
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CN107654677A
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The preparation method of valve with smart filtering function
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CN107654672A
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Possesses the preparation method of the butterfly valve of higher-strength
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CN107654670A
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Hydraulic control butterfly plate opens the preparation method with the butterfly valve of closure
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CN107654671A
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The preparation method of butterfly valve with cushioning effect
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CN106914638A
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A kind of drilling machine component
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CN105626886A
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Efficient sealing knife gate valve
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