贝克BECKER产品有：油旋片式真空泵，压力复合泵......         德国贝克BECKER油旋片式真空泵:     U3.65SA，U3.10SA，U4.20，U3.25SA，U3.30SA，U4.70SA/k,U4.70F/K，U4.1OOSA/K,U4.100F/K,U4.165SA/K,U4.165F/K,U4.190SA/K,U4.190F/K,U4.250SA/K,U4.250F/K,U4.400SA/K,U4.400F/K,U4.630SA/K,U4.630F/K     德国贝克BECKER无油旋片真空泵:     VT4.4,VT4.8,VT4.10,VT4.16,VT4.25,VT4.40,KVT3.60,KVT3.80,KVT3.100,KVT3.140,VTLF250,VTLF360,VTLF500     德国贝克BECKER无油压力复合泵:     T4.16DS,T4.25DSK,T4.40DSK,DVT3.60,DVT3.80,DVT3.100,DVT3.140,DVTLF250