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CN111043341A
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Quick cut-off valve
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CN111043338A
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Gate valve with good sealing performance
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CN111059300A
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Export electric butterfly valve
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CN111059307A
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Open-type electric gate valve
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CN111043339A
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Anti-blocking gate valve
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CN111102393A
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Novel electric valve
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CN111089178A
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Inlet electric butterfly valve
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CN111028605A
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Electric power automation comprehensive experiment table
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CN111089179A
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Energy storage filling type hydraulic control butterfly valve
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CN111068582A
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Stainless steel pressure vessel suitable for negative pressure system
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CN111059330A
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Hydraulic pressure control overflow valve
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CN111059351A
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High-temperature built-in bypass type stop valve
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CN111075719A
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Double-helix dry-type screw vacuum pump
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CN111017494A
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Bidirectional pressure-bearing spherical rotary valve
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CN111102369A
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Closed electric plugboard valve
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CN111006061A
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Bypass quick-opening valve for water pipe
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CN111059288A
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Small-sized stainless steel pressure container
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CN111043171A
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Oil film on-line monitoring device suitable for bearing
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