NFPA 497 : Recommended practice for the classification of flammable liquids, gases, or vapors and of hazardous (classified) locations for electrical installations in chemical process areas. 2021 Edition /
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| Format: | Book |
| Language: | English |
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Massachusetts, Estados Unidos :
National Fire Protection Association (NFPA),
2020.
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| Edition: | 1 edición |
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