
GRAPHICAL SYMBOLS FOR DIAGRAMS - TELECOMMUNICATIONS: TRANSMISSION
出版:International Electrotechnical Committee

专家解读视频
Telecommunication circuits, antennas and radio stations, microwave technology, miscellaneous block symbols, frequency spectrum diagrams and fibre optics are covered.
NZS/IEC 617.10:1983 - Identical
CEI EN 60617-10 : 2ED 1998 - Identical
NEN 10617-10 : 1996 - Identical
SAC GB/T 4728.10 : 1999 - Identical