NFPA 497 : 2008
Superseded
Superseded
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CLASSIFICATION OF FLAMMABLE LIQUIDS, GASES, OR VAPORS AND OF HAZARDOUS (CLASSIFIED) LOCATIONS FOR ELECTRICAL INSTALLATIONS IN CHEMICAL PROCESS AREAS
Published date
01-01-2008
Publisher
Superseded date
08-25-2021
Superseded by
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| DocumentType |
Standard
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| PublisherName |
National Fire Protection Association
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
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