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| 037 | _cGeneral Book | ||
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_aRTL _cRTL _beng |
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| 041 |
_2eng _aeng |
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| 082 | _aX9(D):75.5.N7, M0/UN | ||
| 110 |
_aUNITED NATIONS, ECONOMIC COMMISSION _9328071 |
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| 245 | 0 | _aMeasures for saving materials in engineering industries | |
| 260 |
_aNew York _bUnited Nations USA _c1980 |
||
| 300 |
_a175p. _ccm. |
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| 650 |
_aEngineering _92968 |
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| 700 |
_aUNITED NATIONS, ECONOMIC COMMISSION _9328072 |
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_hX9(D):75.5.N7, M0/UN _cGB _2CC |
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_c639896 _d639896 |
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