00962nas a2200277 4500007834649MiAaHDL20100428000000.0m d cr bn ---auaua840123d19041973enkar 0 1eng dsdr-nrlf.b123080733GLADN16870308CUCURE6.O65(OCoLC)213770607The Optical year book and diary.OYBOptical yearbook and diaryOptical year book with trade directories and appointment diaryLondon.v.ill.1904-1973.Also cited as: OYB.Mode of access: Internet.Optical tradePeriodicals.British and international optical year book00783464919100210000000.020100428000000.020120815225413.02025-02-24T19:14:30ZSDR-NRLFIII - MILLENIUMloader.pl-001-001SEsdr-nrlf.b123080733uc1SDRNRLFuc1.b4400287UC1966.b123080733UCNRLF20250224googleuc1.b440028719661966icbibnon-US serial item date >= 1931UCNRLF20250226googleuc1.b440028819671967icbibnon-US serial item date >= 1931UCNRLF20250224googleuc1.b440028919711971icbibnon-US serial item date >= 1931