IS Title/आईएस शीर्षक:
Quantitative Classification System of Rock Mass - Guidelines : Part 1 Rock Mass Rating (RMR) for Predicting of Engineering Properties
Superseding IS/सुपरसीडिंग आईएस:
None
Degree of Equivalence/समतुल्यता स्तर:
Indigenous
Number of Revisions/पुनरीक्षणों की संख्या:
New Standard