000			00554nam a22001937a 4500
999			_c35076 _d35076
003			OSt
005			20190926202151.0
008			190205b ||||| |||| 00| 0 eng d
040			_aOSt _benglish _cOSt _dOSt
082			_a668.7 / S59c
110			_a SBP Board of consultants & engineers. _9230476
245			_aCoal tar products & related dyes.
260			_aDelhi : _bSmall business, _c[...?].
300			_a224 p. : _bill. ; _c25 cm.
490			_aSBP Chemical Engineering Series No. 52
508			_a342
650			_aCoal. _9121991
942			_2ddc _cBK