JT/T 32.15-93 Technical grade standards for workers in the communications industry-Aids to nuvigation and hydrographic survey-Rndio positioner repairm

JT/T 33.1-93 Technical grade standards for workers in the communcentions industry-Communications engineering-Concrete workers. 1主题内容 与适用范围 JT/T 33.1规定

JT/T 33.10-93 Technleal grnde standards for workers in the communicntions industry-Communications enginering-Test workers. 1主题内容 与适用范围 JT/T 33.10

JT/T 33.11-93 Technical grnde standards for workers in the communications industry-Communtcations engineering- Masonry workers. 1主题内容 与适用范围 JT/T 33.11

JT/T 33.12-93 Technical grade standards for workers in the communcatlons Industry-Communicatlons engineering-Earthwork workers. 1主题内容 与适用范圈 JT/T 33.12

JT/T 32.4-93 Technieal grade standards for workers in the communications industry-Aids to navigation and hydrographie surrey- Navigation buoys maintai

JT/T 32.5-93 Technical grade standards for workers in the communications industry-Aids to narigntion and hydrographic survey Lights charge workers. 1主

JT/T 32.6-93 Technical grade standards for workers in the communications industry-Aids to navigaton and hydrographie survey- Marine lantern repairmen.

JT/T 32.7-93 Technical grade standards for workerns in the communications industry-Alds to navigation and hydrographle survey Radio navigation transmi

JT/T 32.8-93 Technical grade standurds tor workers in the communications industry-Aids to navlgation and hydrographic survey-Radio navigation timer op