Class 45

Online social networking services in the field of {indicate specific field, e.g., mathematics, music, etc.} 045-1075

{指明具体领域，例如数学、音乐等}领域的在线社交网络服务

Chinese {指明具体领域，例如数学、音乐等}领域的在线社交网络服务

English Online social networking services in the field of {indicate specific field, e.g., mathematics, music, etc.}

Spanish Servicios de redes sociales en línea en el campo de {indicar campo específico, por ejemplo, matemáticas, música, etc.}