CPC Subgroup
C08J 9/36 After-treatment (C08J9/22 takes precedence)
Full Title
Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects of shaping of plastics or substances in a plastic state for the production of porous or cellular articles B29C) > After-treatment (C08J9/22 takes precedence)
3 direct subcodes
Child Classifications
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