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WMO Technical Note:150.Compendeum of telecture note for metrological class IV metrological personnel
| Prif Awdur: | |
|---|---|
| Iaith: | English |
| Cyhoeddwyd: |
Geneva
World Meterological Organization
1970
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| Mae'n ddrwg gennym, ni ellir dod o hyd i unrhyw awgrymiadau |