SN EN 50289-1-7:2001现行
Communication Cables - Specifications For Test Methods - Part 1-7: Electrical Test Methods - Velocity Of Propagation
出版：Swiss Standards
专家解读视频
Provides details of the test methods to determine the velocity of propagation of the finished cables used in analogue and digital communication systems.
DIN EN 50289-1-7 (2002-02) - Identical
BS EN 50289-1-7:2001 - Identical
SS EN 50289-1-7 Ed. 1 (2002) - Identical
NEN EN 50289-1-7:2001 - Identical
UNE EN 50289-1-7:2002 - Identical
I.S. EN 50289-1-7:2001 - Identical
NF EN 50289-1-7:2001 - Identical
