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_a621.7 _bSPE |
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_aSpencer, Henry Cecil _9178682 |
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| 245 | _aTechnical drawing problems | ||
| 260 |
_aNew York _bMacmillan _c1960 |
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| 300 |
_a80 p. _bill. |
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| 490 | _aSeries 3 | ||
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_aMECHANICAL DRAWING _991733 |
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_aHill, Ivan Leroy _9178684 |
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| 945 |
_dMain Library ADMIN _c26318 |
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