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| ISO standard | |||
| ISO standard standard of International Standard Organisation; Documented agreements containing technical specifications or other precise criteria to be used consistently as rules, guidelines, or definitions of characteristics, to ensure that materials, products, processes and services are fit for their purpose | |||
| audiometric standard | |||
| standard ISO: 6 phrases in 5 subjects |
| Economy | 1 |
| Information technology | 1 |
| International trade | 1 |
| Politics | 1 |
| Technology | 2 |