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