Protecting eyes in industry. Adresses presented before the Industrial Section National Society for the prevention of blindness at its annual conference in New York City, Oct. 27, 1939.
Gardado en:
| Formato: | Libro |
|---|---|
| Idioma: | inglés |
| Publicado: |
Washington
1940
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| Series: | U.S. Department of Labor. Division of Labor Standards. Bulletin
37 |
| Tags: |
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