Valvular valve, which Tesla calls the Valvular conduit; U.S. Patent 1,239,559 of February 1920
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PotpisImpresum_eng
Greetings from MojTim!
06-11-2025
12:18:13am
Nikola Tesla PHOTO: http://tesla.sveznadar.info
mojTim 2020-2021, BL December 2021.