5 Patents
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- US123722312025Device and Method for Producing High-pressure or Super High-pressure Steam as Byproduct from Maleic Anhydride Producing Device
CHANGZHOU RUIHUA CHEMICAL ENGINEERING TECHNOLOGY CO., Ltd.
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- US118596722024Hose Quick Connection Device for Fracturing Equipment
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., Ltd.
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