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US Trademark Classification

Development and test of chemical production methods 042-724

化学生产方法的开发和测试

Chinese 化学生产方法的开发和测试
English Development and test of chemical production methods
Spanish Desarrollo y prueba de métodos de producción química
Term ID
042-724
Class
42
Type
Services
Status
Active · added, not since modified (A)
Effective date
2004-07-20
Version
08-2002