73541350
Jun 5, 1985
Oct 7, 1986
PNEUMATIC SYSTEM CONTROLS, NAMELY REGULATED VALVES AND GOVERNING PNEUMATIC AND/OR ELECTRICAL CIRCUITS FOR PRECISION CONTROL AND/OR CHANGE OR PNEUMATIC PRESSURE, RATE OF FLOW AND/OR DIRECTION THAT ARE USED IN PNEUMATICALLY OPERATED MANUFACTURING AND OTHER APPARATUS SUCH AS ROBOTIC WELDERS, FABRICATORS, ASSEMBLERS, FLYING SHEARS AND PAINT SPRAYERS
Electrical and Scientific Apparatus