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Hopper cars 3250 Patent us5259322 Patent us7735426
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Peckforton light railway: how i constructed a loading hopperPatent us4362111 Covered hopper train cars (22 unitsPatents hopper.
Hopper loading exploded diagram instructions german cut some peckforton railway lightPatent us3677196 Patents hopper covered car drawing.
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Patent US4362111 - Covered hopper car - Google Patents
train car hopper c4d
Patent US5259322 - Five unit articulated covered hopper car - Google
Covered Hopper Train Cars (22 Units - Approximately 632 metric tons
Patent US7735426 - Hopper cars with one or more discharge control
Patent US5259322 - Five unit articulated covered hopper car - Google
Patent US5433559 - Pressurized hopper car - Google Patents
Patent US3677196 - Covered hopper car - Google Patents