TY  - BOOK
AU  - Davis, P.G.
TI  - Plumbing,heating,and piping estimators' guide
U1  - 696 
PY  - 1960///
CY  - Newyork
PB  - McGraw-Hill Book Company
KW  - piping & heating
KW  - Plumbing
N1  - Gallary
ER  -