US Trademark Classification US07 Machinery 机器部件用蘑菇阀（007-4894） Class 07 机器部件用蘑菇阀 007-4894 Chinese 机器部件用蘑菇阀 English Mushroom valves as machine components Term ID 007-4894 Class 07 Type Goods Status Active · added, not since modified (A) Effective date 2025-10-02 Version 12-2025