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Country: United States Of America
Apparatus for hoisting earth excavated in trenches
Apparatus for hoisting earth excavated in trenches
Apparatus for holsting earth excavated in trenches
Apparatus for raising and moving earth
Process of constructing subaqueous tunnels, etc.
Apparatus for hoisting earth excavated in trenches
Apparatus for hoisting earth excavated in trenches
Apparatus for holsting earth excavated in trenches
Apparatus for raising and moving earth
Apparatus for raising and moving material
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