10 Patents
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- US123623882025Electrochemical Apparatus, Preparation Method Therefor, and Electronic Apparatus
NINGDE AMPEREX TECHNOLOGY LIMITED
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- US120314102024Well Drilling Tool and Method for Determining Parameter Thereof
Sinopec Petroleum Engineering Technology Research Institute Co., Ltd.
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- US119204372024Well Drilling Acceleration Tool
Sinopec Petroleum Engineering Technology Research Institute Co., Ltd.
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