Шноркель (Russian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Шноркель" in Russian language version.

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1web.archive.org

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espacenet.com

worldwide.espacenet.com

«GB 106330 (A) — Improvements in or relating to Submarine or Submersible Boats» Архивная копия от 21 июля 2020 на Wayback Machine. Scott’s Shipbuilding & Engineering Co., and Richardson, James. May 19, 1916.

web.archive.org

«GB 106330 (A) — Improvements in or relating to Submarine or Submersible Boats» Архивная копия от 21 июля 2020 на Wayback Machine. Scott’s Shipbuilding & Engineering Co., and Richardson, James. May 19, 1916.