TY  - BOOK
AU  - Dunoyer, L.
AU  - Smith, J. H.
TI  - Vacuum practice
U1  - 533.5 DUN 
PY  - 1926///
CY  - London
PB  - G. Bell and Sons
KW  - Low pressure systems
KW  - Vacuum pumps and applications
KW  - Vacuum technology
N1  - Includes index
ER  -