73815939
Jul 31, 1989
May 8, 1990
INDUSTRIAL FLUID FLOW MEASURING DEVICES NAMELY, ORIFICE PLATES, ORIFICE FLANGES, METER RUNS, FLOW NOZZLES, FLOW TUBES, VENTURIS, RING TYPE JOINT HOLDERS, CONDENSATE CHAMBERS AND STRAIGHTENING VANES ALL MADE OF METAL
Electrical and Scientific Apparatus