TY  - BOOK
AU  - Guthrie,Andrew
AU  - Wakerling,Raymond Kornelious
TI  - Vacuum equipment and techniques
U1  - 621.55 GUT 1949 
PY  - 1949///
CY  - New York
PB  - McGraw-Hill
KW  - Vacuum
N1  - Includes bibliographies and index
ER  -