GB/T 16833-2011
Electronic data interchange for administration,commerce and transport (EDIFACT) code list 行政、商业和运输业电子数据交换(EDIFACT)代码表 |
DL/T 5265-2011
Operation code of safety for concrete mixing plant of hydropower and water resources 水电水利工程混凝土搅拌楼安全操作规程(附条文说明) |
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