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Utgitt
| [New York] : [Int. western electric company] , [1924]
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Omfang
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Opplysninger
| Over tittelen: Western electric company, inc. Engineering dept. Repr. B-83-1, July 1924. - Særtrykk av: Journal of the American Institute of Electrical Engineers, v.43, nr.3; Electrical communication, v.2, nr.4
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