JT/T 29.5-93 Technical grade standards for workers in the communications industry-Harbour-Repairmen ...
JT/T 29.4-93 交通行业工人技术等级标准港口电动装卸机械修理工
JT/T 29.4-93 Technical grade standards for workers in the communications industry-Harbour-Repairmen ...
JT/T 29.3-93 交通行业工人技术等级标准港口内燃装卸机械修理工
JT/T 29.3-93 Technical grade standards for workers in the communications industry-Harbour-Repairmen ...
JT/T 29.2-93 交通行业工人技术等级标准港口电动装卸机械司机
JT/T 29.2-93 Technical grade standards for workers in the communications industry-Harbour- Drivers o...
JT/T 29.1-93 交通行业工人技术等级标准港口内燃装卸机械司机
JT/T 29.1-93 Technical grade standards for workers in the communications industry-Harbour -Drivers o...
JT/T 28.18-93 交通行业工人技术等级标准水上运输船舶业务员
JT/T 28.18-93 Technical grade standards for workers in the communications industry-Water transport-P...
JT/T 28.17-93 交通行业工人技术等级标准水上运输船舶客运员
JT/T 28.17-93 Technical grade standards for workers in the communications industry-water transport-P...
JT/T 28.16-93 交通行业工人技术等级标准水上运输船舶餐务员
JT/T 28.16-93 Technical grade standards for workers in the communications industry-Water transport-C...
JT/T 28.15-93 交通行业工人技术等级标准水上运输轮机加油
JT/T 28.15-93 Technical grade standards for workers in the communications industry-Water transport-E...
JT/T 28.14-93 交通行业工人技术等级标准水上运输船舶轮机员
JT/T 28.14-93 Technical grade standards for workers in the communications industry-Water transport-E...
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