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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 16886.19-2011 |
Biological evaluation of medical devices - Part 19: Physico-chemical,morphological and topographical characterization of materials 医疗器械生物学评价 第19部分：材料物理化学、形态学和表面特性表征 |
China National Standards topographical |
 English PDF |
| GB/T 4728.11-2008 |
Graphical symbols for diagrams - Part 11：Architectural and topographical installation plans and diagrams 电气简图用图形符号 第11部分：建筑安装平面布置图 |
China National Standards topographical |
English PDF |
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