T/CAS ES230102001-2022 Rules for quality grading and evaluating of industrial products—The commonly used centrifugal pumps-OH2、OH1 centrifugal pumps for heavy duty services in petrochemical engineering (English Version)
2022T/CAS ES230102001-2022 Rules for quality grading and evaluating of industrial products—The commonly used centrifugal pumps-OH2、OH1 centrifugal pumps for heavy duty services in petrochemical engineering