73138247
Aug 19, 1977
Oct 24, 1978
DATA HANDLING APPARATUS UTILIZING PHOTOGRAPHY FOR PREPARING, STORING, REPRODUCING, AND RETRIEVING COMPUTER-GENERATED DATA AND/OR DOCUMENTARY INFORMATION-NAMELY, A MICROFILMER FOR FILMING, COPYING, AND READING DATA; A TAPE TRANSPORT FOR CONVERTING MAGNETICALLY RECORDED DATA INTO SIGNALS COMPREHENSIBLE TO THE MICROFILMER; FILM MAGAZINES; PROCESSED FORM SLIDES; AND PARTS AND FITTINGS FOR ALL OF THE AFORESAID GOODS
Electrical and Scientific Apparatus