|
| |||||
![]() |
![]() | |||||||||||
咨询: GY/T 143-2000 有线电视系统调幅激光发送机和接收机入网技术条件和测量方法 Specifications and methods of measurement on AM optical transmitter and receiver used in CATV systems 电话:400 810 0369(当地市话费) ; MSN & E-mail:zxd711020@hotmail.com gbstandard@hotmail.com chinastandard@hotmail.com ; QQ: | |||||||||||
| |||||||||||
![]() |
咨询: GY/T 143-2000 有线电视系统调幅激光发送机和接收机入网技术条件和测量方法 Specifications and methods of measurement on AM optical transmitter and receiver used in CATV systems 电话:400 810 0369(当地市话费) ; MSN & E-mail:zxd711020@hotmail.com gbstandard@hotmail.com chinastandard@hotmail.com ; QQ: |
![]() |
||
|
||
京ICP备17046623号-4
|