Drawings and description of a 60,000-lb. car. (500 w.)
Pratt side dumping coal car
R R Gaz
1903
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Simple side dumping type mine car automatic dumping device for coal mine
Europäisches Patentamt | 2021
|Online Contents | 2012
Car thawer speeds coal-dock dumping
Engineering Index Backfile | 1964