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- '''CPC Classification''': [[:Category:CPC_C10L3/10|C10L3/10]] (Working-up natural gas or synthetic natural gas) [[Category:CPC_C10L3/10]] ...2 KB (288 words) - 02:49, 21 July 2025
- === Top CPC Codes === ** Count: 10 patents ...37 KB (4,406 words) - 05:48, 4 June 2025