Cover image for Roof ventilators and accessory products for public, commercial and industrial buildings
Title:
Roof ventilators and accessory products for public, commercial and industrial buildings
Author:
Penn Ventilator Co.
Corporate Author:
Publication Information:
Philadelphia, Penn. : Penn Ventilator Co., 1955.
Physical Description:
1 volume (various pagings) : illustrations ; 29 cm
Language:
English
Format :
Book