How to see the medical device registration certificate is a few classes

First of all, look at the first word of the registration certificate and the fourth word, if the country, respectively, ready, is a class of imported equipment. If the fourth word is ready, the first word is not the country, then a class of domestic equipment,

Secondly, if the fourth word is "into", then look at the "into" the word behind the fifth digit, the number is how many is how many types of products, the 6th-7th digit is the classification code of the product,

If the fourth word is not "into", then look at the first word, if it is "country" is three categories, and the fifth number will be 3, this can be corresponding to each other, to check, if the first word is not If the first character is not "国", it will be 2, and the 5th digit will also be 2.

This is my profound summary