CB/T 3823-1998 Hydraulic pilot controled check valve for ship. 1范围 CB/T 3823规定了公称压力为31.5 MPa船用液控单向阀(...
CB/T 3823-2013 船用液控单向阀
CB/T 3823-2013 Hydraulic pilot controlled check valve for ship. 1范围 CB/T 3823规定了船用液控单向阀(以下简称单向阀)的分类、...