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Patent US2480571 - COLOR TELEVISION
COLOR TELEVISION
P. C. GOLDMARK
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Description
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Patent number
: 2480571
Filing date
: Sep 7, 1940
Issue date
: Aug 30, 1949
Inventor
:
P. C. GOLDMARK
Original Assignee
:
Colombia Broadcasting System
Current U.S. Classification
:
348/743
;
348/270
;
348/E09.009
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