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한국어Used as ventilation, shut-off or high-vacuum valves, butterfly valves have a simple structure, and can be...
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Used as ventilation, shut-off or high-vacuum valves, butterfly valves have a simple structure, and can be...
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VBG01 Series high vacuum butterfly valves are widely used on crystal growth furnaces, which are used for ...
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Used as ventilation, shut-off or high-vacuum valves, butterfly valves have a simple structure, and can be...
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