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PCE
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Search for IPC and CPC classification codes or keywords
CPC Subgroup Additional Only
A62D 2203/02

Combined processes involving two or more distinct steps covered by groups A62D3/10 - A62D3/40

Full Title

Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances > Combined processes involving two or more distinct steps covered by groups A62D3/10 - A62D3/40