Controlled start for drill motors on roof bolting machines.
Saved in:
Imprint: | [Pittsburgh, PA] : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, [2000] |
---|---|
Description: | 4 unnumbered pages : digital, PDF file. |
Language: | English |
Series: | Technology news ; no. 480 Technology news ; no. 480. |
Subject: | |
Format: | E-Resource U.S. Federal Government Document Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/12690236 |