Drawings from the society’s archives and publications – the santa fe Patent us4362111 Patents hopper car claims covered drawing
3d train car
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Railroad covered hopper car for transport of dry bulk loads
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Railroad covered hopper car for transport of dry bulk loads
Patent US5259322 - Five unit articulated covered hopper car - Google
Drawings from the Society’s archives and publications – The Santa Fe
3d train car
Diagram of covered hopper car by the Gouvernement du Canada