Apparatus for cleaning relays
United States Patent 2872693

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