United States Patent 3344275
Publication Date:
09/26/1967
Export Citation:
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Primary Class:
378/54
Other Classes:
250/363.01, 378/95, 378/98, 600/425, 600/436
International Classes:
A61B5/026; A61B5/08; A61B6/00
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US Patent References:
3109058Frequency responsive printing system
3086123Apparatus for radiology, in particular for local densigraphic examination
2858421Light communication system
2679598Chi-ray apparatus