GB/T 34652-2017

Active

Full face tunnel boring machine—Open type hard rock tunnel boring machine

全断面隧道掘进机 敞开式岩石隧道掘进机

Standard Type
GBT
ICS
91.220
CCS
P97
Status
现行
Issue Date
2017-10-25
Implementation
2018-05-01
Responsible Dept
中国机械工业联合会
Drafting Unit
N/A