Radiation filter
United States Patent 2461254
US Patent References:
Light sensitive device
- - 2013095


Inventors:
Bassett, Merton O.
Publication Date:
02/08/1949
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Assignee:
GEN ELECTRIC
Primary Class:
250/226
Other Classes:
359/892, 313/524, 250/505.100
International Classes:
H01J40/02; H01J40/00
Foreign References:
FR773398A