Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G5/02)

Child Classifications

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• C23G 1/02 with acid solutions
• C23G 1/14 with alkaline solutions
• C23G 1/24 with neutral solutions
• C23G 1/28 with molten salts
• C23G 1/36 Regeneration of waste pickling liquors