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040 _aNational Science Library
_cNational Science Library
080 _aI 666.94(082.2)
_bL4
245 _aSeminar on appropriate technology for cement manufacture 30 & 31 March, 1974, Ballabgarh:
_bProceedings
_c/ CRI
260 _aNew Delhi:
_bCement Research Institute of India,
_c1974
300 _a53p.
650 _aChemical technology
653 _aConsulting engineer
942 _2udc
_cSEM
999 _c22338
_d22338