Certificate
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Software Copyright Registration Certificate:
<Production Management System for Fluorocarbon Surfactants>
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Invention Patent Authorization(ZL202110320298.4) :
<A method for preparing and using a corrosion inhibitor for oil and gas wells>
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Invention Patent Authorization(ZL202110319679.9) :
<Preparation method and usage method of a Mannich alkali metal complex corrosion inhibitor>