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Flow-disturbing-type high-pressure fluid heat exchanger
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Jet-type high-pressure fluid heat exchanger
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Splicing type double-pipe coolant spray pipe structure
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Double-pipe cooling fluid nozzle structure
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Energy-saving heat exchanger for screw machine
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Modular heat exchanger for screw machine
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Efficient heat exchanger of engineering vehicle
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High-pressure-resistance heat exchanger
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Novel petroleum pipeline external sealing marking band
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Petroleum pipeline elastic force identification band
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Novel elastic cutting fixing band for petroleum pipeline
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Petroleum pipeline cutting belt with warning label
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Protective belt for petroleum pipeline cutting
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Petroleum pipeline cutting belt with guide label
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Cross-shaped petroleum pipeline cutting identification bar
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Petroleum pipeline cutting identification tool
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Pipeline identification band with dual-fixing-head structure
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Petroleum pipeline cutting scribing tool
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