cam a22 u 4500 128599642 CHVBK 20200921061301.0 hz ||||-|||| 880212s1979 xxu |b 00 |eng|d PB-80-112097 NTIA-SP-79-4 (OCoLC)638450377 (NEBIS)000200067 ETH-BIB ger ETH-BIB ETHICS-ISBD Optical waveguide communications glossary Mikroform by A.G.Hanson a.o.; prep.: National telecommunications and information Administration, Boulder - Col Springfield - Va. 1979 1 Microfiche. OPTISCHE WELLENLEITER (ELEKTRISCHE SCHWINGUNGSTECHNIK) ger (ETHUDK)000061803 ethudk u OPTISCHE WELLENLEITER (ELEKTRISCHE SCHWINGUNGSTECHNIK) ger 621.372.8*1 nebis E1 u OPTICAL WAVEGUIDES (ELECTRICAL OSCILLATION TECHNOLOGY) eng 621.372.8*1 nebis E1 u GUIDES D'ONDES OPTIQUES (TECHNIQUE D'OSCILLATIONS ÉLECTRIQUES) fre 621.372.8*1 nebis E1 Hanson A.G. BK020000 XK020000 XK020000 1 MF Andere Mikroform = Autre microforme NEBIS E01 E01 RP MIKR: PB80/112097 NEBIS 700 1- Hanson A.G.