73636245
Dec 19, 1986
Jan 10, 1989
VALVES, FLAPS AND COCKS OF PLASTIC AND/OR METAL FOR HYDRAULIC AND PNEUMATIC SYSTEMS; ELECTRIC, PNEUMATIC AND HYDRAULIC DRIVES FOR VALVES, NAMELY, ELECTROMAGNETICALLY OR HYDRAULICALLY OPERATED CYLINDERS
MachineryAPPARATUS FOR MEASURING AND CONTROLLING PRESSURE AND FLOW FOR USE IN HYDRAULIC AND PNEUMATIC SYSTEMS AND ELECTROMAGNETICALLY OPERATED PILOT VALVES
Electrical and Scientific Apparatus