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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 19380-2016 |
Definition and demarcation of water-borne iodine-excess areas and iodine-excess endemial areas 水源性高碘地区和高碘病区的划定 |
China National Standards demarcation |
 English PDF |
| GB/T 31381-2015 |
The demarcation and evaluation of city tourist transportation center 城市旅游集散中心等级划分与评定 |
China National Standards demarcation |
English PDF |
| GB/T 26361-2010 |
The demarcation and evaluation of facility and service for tourist restaurants 旅游餐馆设施与服务等级划分 |
China National Standards demarcation |
English PDF |
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