TY  - BOOK
AU  - Lythall, R.T
TI  - The J & P Switchgear book
U1  - 621.317 
PY  - 1974///
CY  - London
PB  - Johson & Phillips Ltd.
KW  - MCE
N1  - 0; 0; 0; 621_317000000000000_LYT
ER  -