JT/T 32.4-93 Technieal grade standards for workers in the communications industry-Aids to navigation and hydrographie surrey- Navigation buoys maintainers.1主题内容 与适用范围...
JT/T 32.3-93 Technical grade standards for workers in the communications Industry-Aids to navigation and hydrographic survey- River visual aids maintainers.1主题内容 与适用范圈...
JT/T 32.2-93 Technical grade standards for workers in the communications industry-Aids to navigation and bydrographic survey-Coastal visual aids maintainers.1主题内容 与适用范...
JT/T 32.1-93 Technical grade standards for workers in the communicatfons industry-Aids to riavigation and hydrograpbic survey-Lighthouse maintainers.1主题内容 与适用范围JT/...
JT/T 31.6-93 Technical grade standards for workers in the communications industry-Salvage-Workers for manufacturing the diving suits.1主题内容 与适用范围JT/T 31.6规定了潜...
JT/T 31.5-93 Technical grade standards for workers in the communications industry-Salvage-Heads of Salvage motormen.1主题内容 与适用范围JT/T 31.5规定了救捞机工长的等...
JT/T 31.4-93 Technical grade standards for workers in the communications industry-Salvage-Heads of salvage workers.1主题内容 与适用范围JT/T 31.4规定了海上教捞工程的...
JT/T 31.3-93 Technical grade standards for workers in the communications industry-Salvage-Salvage workers.1主题内容与适用范围JT/T 31.3规定了海上救捞工的等级、应知...
JT/T 31.2-93 Technical grade standards for workers in the communientlons industry-Salvage-Inland waters divers.1主题内容 与适用范圈JT/T 31.2规定了内河潜水员的等级、...
JT/T 31.1-93 Technical grade standards for workers in the communieations industry-Salvage-Divers at sea.1主题内容 与适用范围JT/T 31.1规定了海上教捞潜水员的等级、...
