TREATMENT FOR FERROUS SURFACES
United States Patent 3479260
Inventors:
Rauch Jr., Stewart E.
Roberts, Carlton E.
Publication Date:
11/18/1969
Assignee:
BETHLEHEM STEEL CORP
Other Classes:
205/147, 428/935, 205/318, 428/667, 428/639, 205/319
International Classes:
C25D11/38; C25D11/00; C23B3/02; C23B5/06; C23B5/50
US Patent References:
| 2998361 | Electrochemical treatment of metal surfaces and the products thereof | | | |