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| 008 | 180131b1953 xxu||||| |||| 00| 0 eng d | ||
| 080 |
_a _b |
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| 100 | _a | ||
| 245 | _aEra-G/T279 - 1953; Flameproof Electrical Apparatus: Re-Assessment Of Values Of Statistical Maximum S | ||
| 260 |
_a _bERATechnology Ltd _c1953 |
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| 999 |
_c63609 _d63609 |
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