IEC 60617-9 Ed. 2.0废止
Graphical symbols for diagrams Part 9: Telecommunications - Switching and peripheral equipment
出版：International Electrotechnical Committee
专家解读视频
Switching systems and equipment, telephone, telegraph and data equipment, transducers, recorders and reproducers.
UNE EN 60617-9:1997 - Identical
NEN 10617-9:1996 - Identical
SS IEC 617-9:1986 - Identical
SS EN 60617-9 Ed. 1 (1997) - Identical
AS/NZS 1102.109:1997 - Similar
EN 60617-9:1996 - Identical
NF EN 60617-9:1997 - Identical
I.S. EN 60617-9:1997 - Identical
ONORM EN 60617-9:1998 - Identical
GB/T 4728.9-2008 - Identical
DIN EN 60617-9 (1997-08) - Identical
GB/T 4728.9-1999 - Identical
BS EN 60617-9:1996 - Identical
JIS C 0617-9:1999 - Identical
SN EN 60617-9:1996 - Identical
CEI 3-21 Ed. 3 (2005) - Identical
UNE 21404-9:1995 - Identical
