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Patents > Tech fields: LTA & National tech categories : DE 77 or GB 4 with buoyant

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Ernst Georg August Baumgarten (3) · Stewart Cairncross (2) · Louis Capazza (2) · Georg Gabrielii (2) · Sophus Hartmann (2) · Raphael Ernst May (2) · August Riedinger (2) · Gustav Koch (2) · Albert Emil Karl Rieckert (2) · Edward Joel Pennington (2) · Henry Boinet (2) · Max Nathan (2) · William Nelson Hutchinson (2) · Georg Fischer (2)
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None (60) · Ernst Georg August Baumgarten (3) · Albert Emil Karl Rieckert (2) · Georg Fischer (2) · August Riedinger (2) · Raphael Ernst May (2)
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