THE SCIENCE OF SERVICE
EARTH-WORKING MACHINERY; NAMELY, BULLDOZERS, SWAMP BULLDOZERS, AMPHIBIOUS BULLDOZERS, TIRE-DOZERS, MOTOR SCRAPERS, TOWED SCRAPERS, RIPPER AND RAKE DOZERS; EARTH-HANDLING MACHINERY; NAMELY, SHOVEL LOADERS, WHEEL LOADERS, TRACTOR-LOADERS, COMPACTOR AND LOADER BUCKETS; EXCAVATORS; NAMELY, POWER SHOVELS, DOZER-SHOVELS, SWING DOZER, SHOVELS, SWAMP DOZER SHOVELS, BACK-HOES, BUCKET EXCAVATORS, MINING SHOVELS, TRENCHER AND TUNNEL BORING MACHINES, AND MOTOR GRADERS; CONSTRUCTION MACHINERY; NAMELY, ROA...
Cancelled · October 20, 1989 · 73832555 ·