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 /

Bibliographic Details
Corporate Author: National Fire Protection Association
Format: Book
Language:English
Published: Quincy, MA : National Fire Protection Association, [2004]
Edition:2004 ed.
Subjects:
Description
Item Description:Cover title.
" ... approved as an American National Standard on January 16, 2004"--P. 1.
Physical Description:62 pages : illustrations ; 28 cm.
Bibliography:Includes bibliographical references (pages 58-59) and index.