Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
TB 10027-2022 | English | RFQ |
ASK
|
3 days [Need to translate]
|
(Regulations for unfavorable geological survey of railway engineering)
| Valid |
TB 10027-2022
|
TB 10027-2012 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Code for Unfavorable Geological Condition Investigation of Railway Engineering
| Obsolete |
TB 10027-2012
|
TB 10027-2001 | English | RFQ |
ASK
|
3 days [Need to translate]
|
The Railway Engineering adverse geological survey procedures
| Obsolete |
TB 10027-2001
|