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Patents > Year filed: 1912 & Filing date: May 1912 & Number of figures: 5-20

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Inventors:
Karl Bomhard (3) · Heinrich Bauer (2) · Alexandre Liwentaal (2)
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None (4) · Karl Bomhard (3) · Heinrich Bauer (2)
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CPCs:
None (7) · CPC B64C2700/6295 (5) · CPC B64C13/00 (4) · CPC B64C39/00 (4) · CPC B64C17/00 (3) · CPC B64C3/385 (3) · CPC B63H1/26 (2) · CPC B63H1/12 (2) · CPC B64C21/02 (2)
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