Radiant energy – Inspection of solids or liquids by charged particles – Analyte supports
Patent
1977-09-09
1979-04-03
Smith, Alfred E.
Radiant energy
Inspection of solids or liquids by charged particles
Analyte supports
250452, 250479, G03B 4116, A61B 604, A61B 614
Patent
active
041476620
ABSTRACT:
Reproducible panoramic x-ray photographs of the dental arches are secured with a portable film holder apparatus that is used in conjunction with an independent x-ray camera unit. The film holder is composed of a photographic plate holder assembly used in combination with a sectional photographic plate shield assembly and an x-ray camera aiming system.
REFERENCES:
patent: 3792281 (1974-02-01), Schwartz et al.
Grigsby T. N.
Smith Alfred E.
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