TY  - BOOK
ED  - Engineering Industry Training Board.
TI  - Electrical fitting II for engineering craftsmen
T2  - Instruction manual, module G.23
U1  - 621.3 E57e 
PY  - 1969///
CY  - Watford 
PB  -  Engineering Industry Training Board 
KW  -  Electric switchgear
KW  - Instruction and study
KW  - Electricians
KW  - Training of. Electric switchgear
ER  -