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| 008 | 210128b ||||| |||| 00| 0 eng d | ||
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_a621.3819 _bS5552 |
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_91301 _aShields, John Potter |
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| 245 | 1 | 0 |
_aHow to build proximity detectors and metal locators _cBy John Potter Shields |
| 260 |
_aSlough _bFoulsham _c1966 |
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| 300 | _a128 p. | ||
| 365 | _d18.00 | ||
| 650 | 0 | _aElectrical Engineering | |
| 942 | _cBK | ||