Title:
Relay
United States Patent 1893856


Inventors:
Mcdonnell, Broughton Denis
Application Number:
US40604829A
Publication Date:
01/10/1933
Filing Date:
11/09/1929
Assignee:
Mcdonnell, Broughton Denis
Primary Class:
Other Classes:
335/84, 335/236
International Classes:
H01H50/40; H01H50/54
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