茶叶国际贸易标准分类中，关于绿茶的分类有两条：

07411 

Description: Green tea (not fermented), in immediate packings of a content not

exceeding 3 kg, whether or not flavoured



07412 

Description: Other green tea (not fermented), whether or not flavoured



请问07411与07412有什么区别？为什么有必要这样区分？