00267nam a2200109Ia 4500008004100000041001200041082001100053100001600064245006500080260000600145650000600151221030s9999    xx            000 0 und d  aEnglish  a105.23  aJ. B. Gupta 0aElectrical Installation Estimating & Costingcby J. B. Gupta  c0  aB