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  4. Standard "GB/T 17223-1998"
WITHDRAWN GB/T 17223-1998 21.1.1998 preview

GB/T 17223-1998

Health standard of daily learning time for elementary school children

Translate name

STANDARD published on 21.1.1998


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Price248.80 USD excl. VAT
248.80 USD

The information about the standard:

Designation standards: GB/T 17223-1998
Note: WITHDRAWN
Publication date standards: 21.1.1998
SKU: NS-869544
Country: Chinese technical standard
Category: Technical standards GB

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