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_a621.9.06 _bCAO |
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_c1897 _d1897 |
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| 245 |
_aMechanical CADD _bWorkbook |
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| 260 |
_aChennai _bCADD Centre Training Services _c2002 |
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| 300 | _a47p. | ||
| 650 |
_a621.9.06 _xMachine drawing - design |
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_cCR _k621.9.06 CAD |
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_c332131 _d332131 |
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