00457nam a2200157Ia 4500008004100000020001500041082001700056100001500073245004900088260006200137300000800199650001700207650003400224653001700258653002400275170901s1985    xx            000 0 und d  a0074519220  a670.42bS29W  aSethi, G.S 0aWorkshop CalculationsbFor Electrical Trades  aNew DelhibTata McGraw-Hill Publishing Company Ltd.c1985  a137  aManufactures  aTechnology (Applied sciences)  aCalculations  aWorkshop Technology