AFNOR
|
Association Française de Normalisation
|
AGA
|
American Gas Association
|
AISI
|
American Iron & Steel Institute
|
ANSI
|
American National Standard Institute
|
API
|
American petroleum Institute
|
ASA
|
Américain standard association
|
ASTM
|
American Society for Testing and Materials
|
BS
|
Brithish Standard
|
DIN
|
Deutsch institut für Normung
|
EN
|
Euronorme
|
MSS-SP
|
Manufacturers standardization society
Standard Practice
|
NF
|
Norme Française
|
UNI
|
Unificatione Nelle Industria
|
USAS
|
United States of American Standard
|
|