73086989
May 13, 1976
Apr 4, 1978
PNEUMATIC CONTROLS-NAMELY, BOOM HOIST CONTROLS, TRAVEL AND SWING CONTROLS, CLUTCHING CONTROLS AND BRAKING CONTROLS FOR TRENCH EXCAVATORS, DRAGLINE EXCAVATORS, HOISTING MACHINES, LOCOMOTIVE CRANES, SHOVELING MACHINES, POWER SHOVELS AND LOG HANDLING MACHINES
Machinery