75333443
Jul 31, 1997
Jan 26, 1999
machine pumps, namely, high-capacity diaphragm-type compressors, vacuum pumps, hydraulic pumps; vacuuming systems comprising vacuum pumps, vacuum discharge points and connecting lines
Machineryelectronic vacuum regulators for diaphragm and piston-type compressors, vacuum pumps and vacuum systems
Electrical and Scientific Apparatus