Standards Links

 My friend shared links for standards. I find it very helpful, and I wanted to share them with everyone.

Free

1. Free Standards Download.
2. Free ASTM Standards Download
3. ZBOOK: Astm International Standards Catalog-PDF Free Download
4. ETSI (European Telecommunications Standards Institute)

Paid

1. ITEH STANDARDS
2. SIS Swedish Institute for Standards
3. ISO: Global standards for trusted goods and services