72137493
Feb 8, 1962
May 7, 1963
HYDRAULIC REMOTE CONTROL SYSTEMS FOR USE IN REMOTELY CONTROLLING EARTH MOVING EQUIPMENT; HYDRAULIC REMOTE CONTROL SYSTEMS FOR USE WITH PERSONNEL CARRIERS MOUNTED ON AN ARTICULATED FRAME; AND HYDRAULIC SYSTEMS FOR THE REMOTE CONTROL OF IMMOBILE INDUSTRIAL EQUIPMENT WHEREIN THE CONTROL IS MOUNTED AT A SUBSTANTIAL DISTANCE FROM THE EQUIPMENT TO BE OPERATED
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