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djvu
- Author: Wodzyński Bogusław
- Language: Polish
- Year: 1964

Radiotelefony
pdf
- Author: Wodzyński Bogusław
- Language: Polish
- Year: 1964

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- Language: English
- Year: 2008

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- Language: Spanish
- Year: 2022

Antennenbuch
pdf
- Author: Karl Rothammel
- Language: German
- Year: 2001

- Author: H. Ward Silver
- Language: English
- Year: 2015

- Author: V.G. Borísov
- Language: Spanish
- Year: 1985

- Author: Ministry of Labour
- Language: English
- Year: 2020