离心泵|沙特标准|SASO-GSO-5199
SASO-GSO-5199
Technical specifications for centrifugal pumps – Class II
离心泵技术规范II类
离心泵|沙特标准|SASO-GSO-5199
SASO-GSO-5199
Technical specifications for centrifugal pumps – Class II
离心泵技术规范II类