ANSI(旧ASA、USAS)———美国国家标准ГОСТ———俄罗斯 (前苏联 )国家标准DIN———德国标准BS———英国标准NF———法国标准JIS———日本工业标准EN———欧洲标准ISO———国际标准化组织及其标准代号IEC———国际电工委员会及其标准代号ITU———国际电信联盟 (原C ANSI (Old ASA, USAS) --- American National Standard ГОСТ --- Russia (Former Soviet Union) National Standard DIN --- German Standard BS --- British Standard NF --- French Standard JIS --- Japanese Industrial Standard EN --- European Standard ISO --- International Organization for Standardization and its standard code IEC --- International Electrotechnical Commission and its code-named ITU --- International Telecommunication Union (former C