CENTER SILL HOUSING MEANS FOR HOPPER CAR
United States Patent 3538857
Inventors:
Mowatt-larssen, Rolf
Publication Date:
11/10/1970
Other Classes:
105/420, 105/418, 105/406.100, 105/404, 105/424, 105/416
International Classes:
B61D7/00; B61F1/02; B61F1/00; B61F1/02; B61D17/00; B61D7/00