IS Title/आईएस शीर्षक:
Electrical appratus for explosive gas atmospheres : Part 20 Data for flammable gases and vapours, relating to the use of electrical apparatus (Withdrawn)
Superseded by IS/प्रतिस्थापित आईएस:
None
Degree of Equivalence/समतुल्यता स्तर:
Identical under single numbering
Number of Revisions/पुनरीक्षणों की संख्या:
New Standard
Number of Amendments/संशोधनों की संख्या:
No amendment issued