BECKER贝克真空泵:VT4.2/VT4.4/VT4.8/VT4.10/VT4.16/VT4.25/VT4.40/KVT3.60/KVT3.80/KVT3.100/KVT140/VTLF2.200/VTLF2.250/VTLF2.360/VTLF2.400/VTLF2.500/VX4.10/VX4.16/VX4.25/VX4.40/KVX3.60/KVX3.80/KVX3.100/KVX3.140/VXLF2.200/VXLF2.250/VXLF2.500/VXLF2.400/VXLF2.500/U4.20/U4.40/U5.70/U5.100/U4.165/U4.190/U4.250/U4.300/U4.400/U4.630/DT4.2/DT4.4/DT4.16/DT4.25/DT4.40/KDT3.60/KDT3.80/KDT3.100/KDT3.140/DTLF2.200/DTLF2.250/DTLF2.360/DTLF2.400/DTLF2.500/T4.10/T4.16/T4.25/T4.40/DVT3.60/DVT3.80/DVT3.100/DVT3.140