天津和通机电代理美国parker R/S Refrigerating Specialties Div.Broadview,IL.U.S.A FFR-2 FLOW REGULATOR SWP 21Kg./cm3(300psig) MRP 27bar(400psig)制冷专家FFR,FFR-2液体流量调节阀ORIFICE NO.60 PAT.NO.3,741,242
天津和通机电代理美国parker R/S Refrigerating Specialties Div.Broadview,IL.U.S.A FFR-2 FLOW REGULATOR SWP 21Kg./cm3(300psig) MRP 27bar(400psig)制冷专家FFR,FFR-2液体流量调节阀ORIFICE NO.60 PAT.NO.3,741,242