Electrical gas daylight holdup protection system
United States Patent 1924783

Inventors:
Goss, Byren C.
Publication Date:
08/29/1933
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Assignee:
Goss, Byren C.
Primary Class:
340/385.100
Other Classes:
340/574, 102/531, 102/336
International Classes:
E05G1/12; E05G1/00