A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Power cranes, and shovels, convertible full-revolving type; crawler, truck, and wheel mounted; including clamshell, dragline lifting crane, hoe, pile driver, and skimmer scoop operating equipment (export classifications)
Standard provides requirements, nomenclature, definitions, and information regarding application for machines having shovel dipper capacities ranging from 3/8 to 2 1/2 cu yd and crane capacities from 2 1/2 to 60 ton. (15¢)
Power cranes, and shovels, convertible full-revolving type; crawler, truck, and wheel mounted; including clamshell, dragline lifting crane, hoe, pile driver, and skimmer scoop operating equipment (export classifications)
Standard provides requirements, nomenclature, definitions, and information regarding application for machines having shovel dipper capacities ranging from 3/8 to 2 1/2 cu yd and crane capacities from 2 1/2 to 60 ton. (15¢)
Power cranes, and shovels, convertible full-revolving type; crawler, truck, and wheel mounted; including clamshell, dragline lifting crane, hoe, pile driver, and skimmer scoop operating equipment (export classifications)
U S Bur Standards -- Commercial Standard
1947
28 pages
Standard
English
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Engineering Index Backfile | 1941
Engineering Index Backfile | 1941