En
Ru| Author | |
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| Description |
Hermann, E.Introduction to electrical engineering / [op.] Prof.Stuttgart Higher.tech.Uchchy E. Hermann.- Riga: [B.And., 1916].- (Library "Goschen").1. The people (collection).Electronic copy source: PBPlace of storage of the original: the Central Museum of Communications named after A.S.Popova
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| Publisher | [б. и. |