000 00274nam a2200085Ia 4500
008 180131b1974 xxu||||| |||| 00| 0 eng d
080 _a
_b
100 _a
245 _aEra Report 74-21: Proposed Specification For Unimpregnated Asbestors Cement Boards (Incombustible) F
260 _a
_bERA Technology Ltd.
_c1974
999 _c64999
_d64999