TY  - BOOK
AU  - Oravetz, Jules.
TI  - Plumbers and pipe fitters library; materials; tools, calculations
U1  - 621.643.009.4:621.9+624.04 L6 
PY  - 1976///
CY  - Bombay
PB  - D.B.Taraporevala
KW  - Jules Oravetz
KW  - Plumbers-Library,Pipe fitting-Labour productivity-Library,Materials,Tools
ER  -