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_a671.52 _bENM |
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_aEngineeting Industry Training Board _9125747 |
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_aMetal-arc gas shielded welding for engineering craftsman _b: instruction manual; Module F 23 _cEngineeting Industry Training Board |
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_aWatford: _bITB, _c1977. |
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| 300 | _b110p. | ||
| 500 | _aEng | ||
| 546 | _aEng | ||
| 650 |
_aEngineering-Study and teaching _9125748 |
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| 942 | _cBK | ||
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_c2195 _d2195 |
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