Rezultaty od 1 do 3 z 3
Photographic products processes and compositions : [patent specification] 3,647,437 / Edwin H. Land ; Polaroid Corporation. [S.l.] : [s.n.], [1972].
Photographic uses of polyvinyl-phenylmercaoto-tetrazoles : [patent specification] 4,134,768 / J. Michael Grasshoff, Jerome L. Reid ; Polaroid Corporation. [S.l.] : [s.n.], [1979].
Tunneling by lasers : [patent specification] 3,544,165 / Louis L. Snedden. [S.l.] : [s.n.], [1970].
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