13 MOVABLE FIELD IRRIGATION SYSTEMS COMPRISING PIPES, METAL COUPLERS, VALVES, PIPE FITTINGS, AND NOZZLES, SAID SYSTEMS BEING SOLD AS UNITS AND COMPRISING TWO TYPES, ONE WHICH MAY BE LAID DIRECTLY ON THE GROUND AND ONE INCLUDING AS A PORTION OF THE UNIT WHEELS FOR SUPPORTING THE PIPES AND IMPARTING MOBILITY TO THE SYSTEM, AND METAL PIPE COUPLERS, VALVES, AND FITTINGS FORMING PARTS OF SUCH SYSTEMS
Trademark: 71625476
