Derr, Louis, 1868-1923
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Closely Matching Concepts from Other Schemes
Sources
- found: LCCN 15-6775: His Cyclopedia of engineering, 1915(hdg.: Derr, Louis, 1868-1923; usage: Louis Derr)
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Change Notes
- 1983-10-28: new
- 2008-12-30: revised
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