JT/T 35.1-93 交通行业工人技术等级标准交通工业港机装配钳工
JT/T 35.1-93 Technical grade standards for workers in the communications industr...
行业标准2023.07.18
JT/T 35.1-93 Technical grade standards for workers in the communications industr...
行业标准2023.07.18
JT/T 35.2-93 Technlcal grade staodards for workers mn the cohnmunlcatlons indust...
行业标准2023.07.18
JT/T 35.8-93 Technical grade standards for workers in the communications industr...
行业标准2023.07.18
JT/T 35.9-93 Technical grade standards for workers in the communications industr...
行业标准2023.07.18
JT/T 35.10-93 Technical grade standards for workers in the communications indust...
行业标准2023.07.18
JT/T 35.11-93 Techuleal grade standards for workers in the communications indust...
行业标准2023.07.18
JT/T 138-2004 A plate for small-type vessels.1范围JT/T 138规定了船名牌的形状、型号尺寸、颜色、内容及书写规...
行业标准2023.07.18
JT/T 330-1997 Safe-technical requirements for piece and miscellaneous cargo hand...
行业标准2023.07.18
JT/T 39-1993 Technical Requirements for Salvaging Wreck With Pontoon.1主题内容 与适用范围...
行业标准2023.07.18
JT/T 35.3-93 Technical grade standards for workers in the communications industr...
行业标准2023.07.18