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R & D report
Head: Petryshyn Igor Stepanovych. Of comparisons of national primary standard of unit volume and the volume flow of gas DETU 03-01-15 to the national standards of other states and international standards. (popup.stage: ). State Enterprise "Ivano-Frankivs'k scientific and production center for standardization, metrology and certification". № 0217U004022
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Updated: 2025-07-07