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Production system of roller furnace
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Annular furnace heating radiation tube seal structure
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Annular furnace oil enveloping structure
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Well-type high temperature carburizing furnace with down-inserted retort heat-insulation retainer ring structure
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Anti-vibration flexible connecting structure with rapid cooling pit furnace fan
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Pipe fitting rotation displacement quenching device
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Novel train wheel integral-quenching technology
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All-automatic annular flexible quenching machine
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Large-flux oil suction filter capable of automatically alarming and relieving pressure
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Muff pit type furnace of suspended novel fire hole structure
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Novel multipurpose lifting appliance for pit furnace
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