--am hk  eng
++000    00000nam a2200000 a 4500
++090    |a621.3 COD
++245 10 |aCode of Practice for the Electricity (Writing) Regulations
++250    |a1st ed.
++260    |aHong Kong:|bElectrical and Mechanical Services Department,|c1997.
++300    |a286 p.:|bill.;|c21 cm.
++690    |aElectronic & Electricity_電子與電學