Communications Industry Standard (YD)下载-第1页-标准下载网-www.bzxz.net

YD/T 5087-2005 Acceptance specification for intelligent network equipment installation project

YD/T 5087-2005
YD/T 5086-2000 Interim Provisions on Construction Supervision of Digital Mobile Communication (TDMA) Projects

YD/T 5086-2000
YD/T 1460.3-2006 Air-blown micro cables and optical fibre units for telecommunications - Part 3: Microducts, microduct bundles and microduct accessories

YD/T 1460.3-2006
Specification of Internet Anti-Spam

YD/T 1311-2004
The requirements of internet advertising e-mail format

YD/T 1310-2004