Apparatus for cleaning relays
United States Patent 2872693
Inventors:
Anderson, Paul E.
Fischrupp, Clarence R.
Publication Date:
02/10/1959
Assignee:
WESTERN ELECTRIC CO
Other Classes:
134/75, 134/128, 134/62, 134/117
International Classes:
B08B1/02
US Patent References:
| 2719993 | Apparatus for cleaning fruits and vegetables | | | |