000 005090000a22001810004500
999 _c65621
_d65621
027 _aSLS 490 : Part 1 : 1980
_q1980
041 _aeng
080 _a668.447.31
942 _cSD
110 _aBUREAU OF CEYLON STANDARDS
245 _aSLS 490 : Part 1 : 1980 : Specification for shellac part 1, Hand - made shellac
260 _aColombo
_bBUREAU OF CEYLON STANDARDS
_c1980
300 _a32p.
500 _aSTD2684
650 _aa668.447.31
650 _aSRI LANKA-STANDARDS
650 _aSTANDARDS-SRI LANKA