00324nam a2200121Ia 4500008004100000041000800041082001200049100001600061245006700077250001000144260004000154300000800194211209s1967    xx            000 0 und d  aeng  aCHA/NUR  aCHARAYA J S  aTEXT BOOK OF ESTIMATING AND COSTING (MECHANICAL) M.R.S. UNITS   a2 ed.  aDELHIbTECH INDIA PUBLICATIONc1967  a282