BOOKS - TECHNOLOGY - Современные условия устройства и э...
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685497
685497
Современные условия устройства и эксплуатации телефонного сообщения в России
Author: Авцын П.И.
Year: 1911
Number of pages: 42
Format: PDF
File size: 10.12 MB
Language: RU
Year: 1911
Number of pages: 42
Format: PDF
File size: 10.12 MB
Language: RU
Current conditions for the design and operation of telephone communication in Russia: Doc. in the Electrical Engineering Department in Moscow December 23, 1910, †. submission on behalf of the Electrical Engineers in Moscow to VI All-Russia. electrical engineering. congress in St. Petersburg
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