CB 906-1979
P30齿轮传动法兰青铜截止阀
CB 856-2004
P3.0MPa铸钢法兰规范
Specification for P3.0MPa cast steel pipe flanges
2004-02-16
CBM 1009-1981
30kgf/cm2铸钢法兰
CB 853-2005
P3.OMPa法兰铸钢截止阀规范
Specification for P3.0MPa flanged cast steel stop valve
T/GDID 1077-2023
非洲猪瘟病毒P30蛋白管式化学发光免疫分析抗体检测方法
2023-05-08
CB 20019-2011
P3.0MPa法兰铸钢带波纹管截止止回阀规范
Specification for P3.0 MPa flanged cast steel stop check valves with bellows
2011-07-19
CB 20018-2011
P3.0MPa法兰铸钢带波纹管截止阀规范
Specification for P3.0 MPa flanged cast steel stop valves with bellows
2011-07-19