TY  - BOOK
AU  - Busto, Arellano V.
TI  - Electrical code: Republic Act No. 7920
SN  - 9718961283
U1  - DFil 621.31924 2003
PY  - 2003///
CY  - Sampaloc, Manila: 
PB  - A.V.B. Printing Press, 
KW  - Electrical engineering
ER  -