000 00376nam a2200145 4500
027 _aCS 160 : 1972
_q1972
041 _aeng
080 _a666.32
942 _cSD
110 _aBUREAU OF CEYLON STANDARDS
245 _aCS 160 : 1972 : Specification for ball clay for ceramic industry
260 _aColombo
_bBureau of Ceylon Standards
300 _a28p.
500 _aSTD2374
999 _c177903
_d177903