73092288
Jul 2, 1976
Feb 15, 1977
WELDING AND CUTTING APPARATUS-NAMELY, WELDING, BLOWPIPES, CUTTING ATTACHMENTS, COMBINED BLOWPIPES AND CUTTERS, NOZZLES, TIPS, MIXERS, FOR BLOW PIPES AND CUTTING ATTACHMENTS, AND GAS PRESSURE REGULATORS
Electrical and Scientific Apparatus