TY  - BOOK
AU  - Pearson,George Harold
TI  - The design of valves & fittings,
AV  - TS277 .P4 1964
U1  - 621.902 PEA 
PY  - 1964///]
CY  - London
PB  - Pitman
KW  - Valves
KW  - ME
ER  -