 |
ABNT – Associação Brasileira de Normas Técnicas |
| www.abnt.org.br | |
|
AISI – American Iron & Steel Institute |
| www.steel.org | |
|
ANSI – American National Standards Institute |
| www.ansi.org | |
|
ASME – American Society of Mechanical Engineers |
| www.asme.org | |
|
ASTM – American Society for the Testing of Materials |
| www.astm.org | |
|
AWWA – American Water Works Association |
| www.awwa.org | |
|
DIN – Din Deutsches Institut Fur Normung E.V. |
| www.din.de | |
|
ISO – International Organization for Standardization |
| www.iso.ch | |
|
JIS – Japanese Institute for Standards |
| www.jsa.or.jp | |
|
API – American Petroleum Institute |
| www.api.org |
