Continuous progressive cylinder washer
United States Patent 2645914
Inventors:
Sessions, Donald W.
Publication Date:
07/21/1953
Assignee:
Sessions, Donald W.
Other Classes:
68/140, 68/58, 68/24, 68/23.500, 68/142, 68/17R, 68/19.200
International Classes:
D06F31/00