DIN EN ISO 20815:2019 石油、石化和天然气工业 生产保证和可靠性管理(ISO 20815:2018);英文版 EN ISO 20815:2018,仅在 CD-ROM 上
Petroleum, petrochemical and natural gas industries - Production assurance and reliability management (ISO 20815:2018); English version EN ISO 20815:2018, only on CD-ROM