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_aeng _h |
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_a621.301 _bRIS/ME |
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| 100 | _aRissik, H . | ||
| 245 |
_aMercury-Arc current convertors / _cH.Rissik. _hTextual Documents |
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| 250 |
_a2 / _b. |
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| 260 |
_a : _bSir Isaac Pitman & Sons Ltd , _c1963. |
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| 300 | _a434 ; . | ||
| 365 | _a35.00 | ||
| 504 | _a | ||
| 942 | _cBK | ||
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_c255988 _d255988 |
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