PEN-O-TRATOR

[ PIPES AND TUBES OF METAL; CENTRALISERS AND CENTRALISER LOCKS; CENTRALISERS AND CENTRALISER LOCKS FOR CASING, PIPES OR TUBES; CENTRALISERS AND CENTRALISER LOCKS FOR CASING, PIPES OR TUBES IN BOREHOLES; ] CASING SHOES; GUIDE SHOES FOR OILFIELD TUBULAR GOODS; CEMENT SHOES FOR OILFIELD TUBULAR GOODS; COMPONENT PARTS AND FITTINGS FOR ALL THE AFORESAID GOODS

GRINDING AND REAMING APPARATUS NAMELY, OILFIELD REAMING SHOES; [ BITS FOR GRINDING AND REAMING APPARATUS; ] REAMERS FOR OIL, GAS AND WATER WELLS; COMPONENT PARTS AND FITTINGS FOR ALL THE AFORESAID GOODS