National standards for steamfitting apprenticeship. Including suggestions for putting national standards into operation in local communities.
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| Ente Autore: | |
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| Natura: | Libro |
| Lingua: | inglese |
| Pubblicazione: |
Washington
1939
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| Serie: | U.S. Department of Labor. Division of Labor Standards. Bulletin
28,1 |
| Tags: |
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| Descrizione del documento: | STANDARDS national steamfitting-apprenticeship -- National standards for steamfitting apprenticeship.Including suggestions for putting national standards into operation in local communities. - Washington 1939.V,11 S.4° -- (U.S.Department of Labor.Division of Labor Standards.Bulletin.28,1.) -- 1959:1069 f. -- Ha |
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| Descrizione fisica: | V, 11 S. 4° |