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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 31905-2015 |
Paper and board—Determination of edge permeance 纸和纸板 边渗透的测定 |
China National Standards permeance |
 English PDF |
| GB/T 22901-2008 |
Paper and board - Determination of air permeance(medium range) - General method 纸和纸板 透气度的测定（中等范围） 通用方法 |
China National Standards permeance |
English PDF |
| GB/T 458-2008 |
Paper and board - Determination of air permeance 纸和纸板透气度的测定 |
China National Standards permeance |
English PDF |
| GB/T 5406-2002 |
Testing method of oil permeance for paper 纸透油度的测定 |
China National Standards permeance |
English PDF |
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