Graphical symbols for diagrams-Telecommunications. Switching and peripheral equipment
图表的图形符号 电信交换和外围设备

1996-12-15

Graphical symbols for diagrams - Part 9: Telecommunications; switching and peripheral equipment (IEC 60617-9:1996); German version EN 60617-9:1996
图表用图形符号.第9部分:电信；开关和外围设备（IEC 60617-9-1996）；德文版EN 60617-9:1996

1997-08-01

GRAPHICAL SYMBOLS FOR DIAGRAMS. PART 10: TELECOMMUNICATIONS: TRANSMISSION.
图表的图形符号 第10部分:电信:传输

1997-06-20

简图用图形符号 第9部分：泵、压缩机与鼓风机
Graphical symbols for diagrams -Part 9: Pumps, compressors and fans

2006-02-05

Graphical symbols for diagrams — Part 9: Pumps, compressors and fans
图9:泵、压缩机和风扇的图形符号

2002-09-19

电气简图用图形符号　第9部分：电信：交换和外围设备
Graphical symbols for electrical diagrams—Part 9:Telecommunications:Switching and peripheral equipment

2022-10-12

Graphical symbols for diagrams - Part 10: Telecommunications; transmission (IEC 60617-10:1996); German version EN 60617-10:1996
图表用图形符号.第10部分:电信；传输（IEC 60617-10-1996）；德文版EN 60617-10:1996

1997-08-01