C

FLOW MEASUREMENT SYSTEMS COMPRISED IN WHOLE OR IN PART OF SETTINGS FOR FLOW CONTROL; MAINLY, METER RUN TUBES, FLOW NOZZLES, VENTURIS, STRAIGHTENING VANES, LEVELING SADDLES, ORIFICE WELL TESTERS, BLEED RINGS, SPECTACLE AND PADDLE BLINDS, CONDENSATE CHAMBERS, HOLDING BLOCKS, AND PLATE HOLDERS