US Trademark Classification US17 Rubber and plastics goods 接缝用非金属密封件（017-1215） Class 17 接缝用非金属密封件 017-1215 Chinese 接缝用非金属密封件 English Non-metallic seals for joints Term ID 017-1215 Class 17 Type Goods Status Active · added, not since modified (A) Effective date 2023-08-17 Version 12-2023