TY  - BOOK
AU  - Pearson, G.H.,
TI  - Valve Design Manuallly Operated Patterns: Topics in Engineering Design
SN  - 0273316699
U1  - 621.84 22
PY  - 1972///
CY  - Africa
PB  - Pitman Publishing Corporation
N1  - This book is having Appendix
ER  -