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ISO 3159:2009 PDF
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Timekeeping instruments — Wrist-chronometers with spring balance oscillator
ISO 3159:2009 lays down the definition of the term “chronometer”, describing the categories, the test programme and the acceptable minimum requirements for wrist-chronometers.
| Edition | 2009 |
|---|---|
| Published Date | 2009 |
| Published By | International Standardization Organisation |
| Page Count | 5 |
