Petroleum, petrochemical and natural gas industries - Guidelines on competency management for well operations personnel (ISO/TS 17969:2017); English version CEN ISO/TS 17969:2017
German title
Erdöl-, petrochemische und Erdgasindustrie - Leitlinien bezüglich der Kompetenz von Personal (ISO/TS 17969:2017); Englische Fassung CEN ISO/TS 17969:2017
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