What are the different standardization organizations found in Inventor's Content Center?

Acronym	Full Name	Country / Region
AFNOR	Association Française de Normalisation	🇫🇷 France
ANSI	American National Standards Institute	🇺🇸 United States
AS	Standards Australia	🇦🇺 Australia
BSI	British Standards Institution	🇬🇧 United Kingdom
CNS	Chinese National Standards	🇹🇼 Taiwan
CSN	Czech Standards (Česká státní norma)	🇨🇿 Czech Republic
DIN	Deutsches Institut für Normung	🇩🇪 Germany
GB	Guobiao Standards (National Standards of China)	🇨🇳 China
GOST	Gosudarstvennyy Standart (State Standard)	🇷🇺 Russia (and former USSR)
IS	Indian Standards (via BIS – Bureau of Indian Standards)	🇮🇳 India
ISO	International Organization for Standardization	🌍 International
JIS	Japanese Industrial Standards	🇯🇵 Japan
KS	Korean Standards (via KATS – Korean Agency for Technology and Standards)	🇰🇷 South Korea
PN	Polska Norma	🇵🇱 Poland
SFS	Suomen Standardisoimisliitto (Finnish Standards Association)	🇫🇮 Finland
SS	Swedish Standards (via SIS – Swedish Institute for Standards)	🇸🇪 Sweden
STN	Slovenská Technická Norma	🇸🇰 Slovakia
UNI	Ente Nazionale Italiano di Unificazione	🇮🇹 Italy

It should be noted that the European standardization organization, CEN (European Committee for Standardization), is not in the list, and therefore EN standards are not found.