螺栓帽通用钢制截止阀|沙特标准|SASO-ISO-12149
SASO-ISO-12149
Bolted bonnet steel globe valves for general-purpose applications
螺栓帽通用钢制截止阀
螺栓帽通用钢制截止阀|沙特标准|SASO-ISO-12149
SASO-ISO-12149
Bolted bonnet steel globe valves for general-purpose applications
螺栓帽通用钢制截止阀