:
IS 1528 (Part 22) : 2007 ISO 8841:1991 Reviewed In : 2022
IS Title/आईएस शीर्षक:
Methods of sampling and physical tests for refractory materials: Part 22 method for determination of permeability to gases of dense shaped refractory products
Superseding IS/सुपरसीडिंग आईएस:
None
Degree of Equivalence/समतुल्यता स्तर:
Identical under dual numbering
Number of Revisions/पुनरीक्षणों की संख्या:
New Standard
Number of Amendments/संशोधनों की संख्या:
No amendment issued