Floor drains.
Contributors: American Society of Sanitary Engineering.; American Society of Mechanical Engineers.
Publisher: American Society of Mechanical Engineers
Published: 1968
Place of publication: New York
Language: eng
Subjects: Plumbing -- Equipment and supplies -- Standards.; Drainage, House.
Notes: At head of title: USA Standard.
"USAS A112.21.1-1968."
Sponsored by the American Society of Sanitary Engineering and  the American Society of Mechanical Engineers.