JT/T 30.16-93 Technical grade standards for workers in the communications industry-Waterway dredging-Statistics men.1主题内容与适用范围JT/T 30.16规定了疏浚统计工的等...
JT/T 30.15-93 Technical grade standards for workers in the commuanications industry-Waterway dredging-Sailors.1主题内容 与适用范围JT/T 30.15规定了工程船舶水手的等级...
JT/T 30.14-93 Technical grade standards for workers in the communications industry-Waterway dredging-Sinking of rafts and riprap workers.1主题内容 与适用范围JT/T 30.14规定了...
JT/T 30.13-93 Technieal grnde standards for workers in the communieations industry-Waterway dredging-Binding of rafts workers.1主题内容与适用范围JT/T 30.13规定了扎笼、扎...
JT/T 30.12-93 Technical grade standards for workers in the communications industry-Waterway dredging-Signal direct workers.1主题内容 与适用范围JT/T 30.12规定了航道信号...
JT/T 30.11-93 Techntcal grade standards for workers in the communleatlons industry-Waterway dredging-Capstain workers.1主题内容 与适用范围JT/T 30.11规定了绞滩工的等级...
JT/T 30.10-93 Technical grade standards for workers in the communications industry-Waterway dredging-Narigation lock workers.1主题内容 与适用范围JT/T 30.10规定了船南工的...
JT/T 30.9-93 Technical grade standards for workers in the communications industry-Waterway dredging-The electric operative workers of the locks.1主题内容 与适用范围JT/T 30....
JT/T 30.8-93 Technical grade standards for workers in the communcations industry-Waterway dredging-The machine operative workers of the navigution locks.1主题内客 与适用范圈...
JT/T 30.7-93 Technical grade standards for workers in the communications industry-Waterway dredging- Punpinh station electician and mechanic.1主题内容与适用范围JT/T 30.7规定...
