000 00233nam a2200073 4500
080 _a
_b
245 _aBS-2768 - 1956; Thin vulcanized fibre sheet (including leatheroid) for electrical purposes
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1956
300 _a20p
999 _c24734
_d24734