000 00287nam a2200085Ia 4500
008 180131b1971 xxu||||| |||| 00| 0 eng d
080 _a
_b
100 _aBritish Standards Institution
245 _aBs-3456 (Section A4) - 1971 (With Amendments); Specification For The Testing And Approval Of Househo
260 _a
_bBSI
_c1971
999 _c49608
_d49608