Crum improved calculator for wire drafting. (Q17988)
published work from 1989
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Crum improved calculator for wire drafting. |
published work from 1989 |
Statements
RE430250
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1989
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Crum improved calculator for wire drafting.
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Eben Jefferson Crum.
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A626414
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13Feb89
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1Dec61
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Eben Jefferson Crum (A)
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A
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NM: new version containing additional text material.
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