A machine for grinding or/and lapping port hole cover interior seatings and a methodof reconditioning a cover seating at a port hole having an internal cover
FR1081547A
Improvements to valve seat face repair machines
GB725205A
Improvements in valves
GB725963A
Improvements in valve casings
GB719201A
Improvements in or relating to housings for slide valves
FR64653E
Improvements to machines for grinding gate valve seats
GB748082A
Improvements in strainers suitable for use in steam lines
US2723512A
Machines for repairing the valve seat faces of parallel slide valves
GB695620A
Improvements in or relating to lapping apparatus
GB711508A
Improvements in machines for repairing the valve seat faces of parallel slide valves
GB695847A
Improvements in stop valves
FR1037656A
Improvements to gate valve bodies
GB693655A
Improvements in or relating to housings for slide valves
GB695488A
Improvements in wedge valves
GB696083A
Improvements in wedge valves
GB720086A
Improvements in indicating and measuring instruments
FR982812A
Improvements to machines for grinding gate valve seats
US2572485A
Valve repairing machine
GB653828A
Improvements in or relating to machines for use in repairing the valve seat faces ofparallel slide valves
