AU  - Kristal,Frank A.
AU  - Annett,FA
TI  - Pumps / 
U1  - 621.252 
PY  - 1940///
CY  - New York : 
PB  - McGraw-Hill Book Company, Inc. , 
KW  - Engineering and Allied Operations
KW  - Applied Physics
KW  - Pumps
KW  - Pumps and accumulators
KW  - Hydraulic-Power Technology
ER  -