B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
98/42
B08B 15/02 (2006.01)
Patent
CA 1116922
FUME HOOD ABSTRACT OF THE DISCLOSURE A fume hood with an air actuated valve system for directing a mixture of room and external air in front of a horizontal sash when such sash is open, and behind this sash when it is closed. --1--
331622
Grow Harry N.
Zboralski Jon A.
American Hospital Supply Corporation
Borden Ladner Gervais Llp
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