TY  - BOOK
AU  - Traister, John E.
TI  - Practical Drafting for the Hvac Trades 
U1  - 697.00221 
PY  - 1975///
CY  - Indianapolis : 
PB  - Howard W. Sams, 
KW  - Air Conditioning
KW  - Heating
KW  - Ventilation
N1  - NY
ER  -