RO
STAS 3989/1-91
Railways. Lay- out plans. Conventional signs for railway carthwork and superstructure
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Status :
Valid
Approval date : 1/1/1991
Publish date : 5/1/1991
Number of pages : 10
ICS : 93.100 Construction of railways
Technical Committee : 146 - Railway applications
- Replaces STAS 3989/1-83
- Normative reference STAS 4958-91
- Normative reference STAS 103-84