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Filter core of filter
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Filter core of filter
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Spring-type screen
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Automatic backwash filtering device
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Combined ship ballast water treatment equipment
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Deicing filter method and equipment for seawater in ice region
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Membrane filtration and nitrogen stripping deaeration water treatment equipment and method
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Improved pulling-expanding head
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Drawing and expanding device
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Filter ultrasonic and ultraviolet ship ballast water treatment equipment
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Hydraulic expansion tube tool used for boiler tube
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Filter capable of sucking raw water
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