American national standard safety requirements for workplace floor and wall openings, stairs, and railing systems /
| Corporate Authors: | , |
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| Format: | Book |
| Language: | English |
| Published: |
Des Plaines, Ill. :
American Society of Safety Engineers,
[1990]
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| Subjects: |
| Item Description: | "ANSI A1264.1-1989. Approved October 5, 1989, American National Standards Institute, Inc." |
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| Physical Description: | 19 pages : illustrations ; 28 cm. |