000 003400000a22001330004500
027 _aBS 3828 : February 1973
080 _a666.21
_b
942 _cSD
110 _aBRITISH STANDARDS INSTITUTION
245 _aBS 3828 : February 1973 : Specification for crystal glass
260 _aLondon
_bBSI
_c1973
300 _a10p.
500 _aSTD1166
999 _c25112
_d25112