Blast-valve operation for gas-blast circuit breakers having two currentresponsive means
United States Patent 3345486
US Patent References:
Manually and automatically actuable valves or other devices
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Inventors:
Colclaser Jr., Robert G.
Cromer, Charles F.
Publication Date:
10/03/1967
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Assignee:
WESTINGHOUSE ELECTRIC CORP
Primary Class:
218/87
Other Classes:
251/129.030
International Classes:
H01H33/56; H01H33/70; H01H33/02
Foreign References:
FR894631A
DE1149772B
GB432264A