74155484
Apr 9, 1991
Jul 20, 1993
[air conditioning systems comprising water source heat pumps with hot gas reheaters for dehumidification, water piping, circulating pumps, and duct work and dehumidification systems comprising hot gas reheaters for improvement of indoor air quality]
Environmental Control Apparatusconsulting services in the field of installation and service of air conditioning units, dehumidification units, and environmental control units for controlling microbial contamination, and consulting services relating to indoor air quality, and to the installation of environmental units
Computer and Scientific