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Patents > Office : ?? or DE or LU or US & Tech fields : LTA or balloon or propellers & National tech categories: DE 77

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Ernst Georg August Baumgarten (2) · Henry Boinet (2) · Georg Fischer (2) · Edward Joel Pennington (2) · Raphael Ernst May (2)
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None (41) · Raphael Ernst May (2) · Ernst Georg August Baumgarten (2) · Georg Fischer (2)
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Showing below up to 115 results in range #1 to #115.

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