72106895
Oct 21, 1960
Jun 27, 1961
CONVEYING, CONTROLLING, MEASURING, AND DETECTING SYSTEMS AND APPARATUS-NAMELY, DEVICES TO DETECT AND/OR CONTROLTHE LEVEL OF MATERIAL IN A CONTAINER; VALVES FOR ENTRAINING DISCRETE SOLID PARTICLES IN AN AIR STREAM; AND VALVES TO DIVERT FLOW IN A PLURALITY OF PNEUMATIC LINES.
Fancy Goods