US Trademark Classification US09 Scientific and electronic apparatus 燃料电池电极（009-6282） Class 09 燃料电池电极 009-6282 Chinese 燃料电池电极 English Fuel cell electrodes Term ID 009-6282 Class 09 Type Goods Status Active · added, not since modified (A) Effective date 2022-05-19 Version 11-2022