TY  - BOOK
AU  - Kleinau, Karl-Heinz
TI  - Telephone Pratishtapanam
U1  - 621.386 
PY  - 1973///
CY  - Thiruvananthapuram
PB  - STATE INSTITUTE OF LANGUAGE
KW  - general stack
KW  - Technology
KW  - Engineering & allied operations
KW  - Applied physicsGeneralia
ER  -