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January 30, 2010 | History

Ventilation of Manholes. 4. Effect of Vertical Ducts in Combination with Openings in Manhole Covers on the Natural Ventilation 1 edition

Ventilation of Manholes. 4. Effect of Vertical Ducts in Combination wi ...
United States. Bureau of Mines ...

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Ventilation of Manholes. 4. Effect of Vertical Ducts in Combination with Openings in Manhole Covers on the Natural Ventilation.

Published 1940 by s.n in S.l .
Written in English.

Edition Notes

1

Series
Report of investigations (United States. Bureau of Mines) -- 3496

ID Numbers

Open Library
OL21749754M

History Created December 9, 2009 · 2 revisions Download catalog record: RDF / JSON

January 30, 2010 Edited by WorkBot add more information to works
December 9, 2009 Created by WorkBot add works page