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Patents > Inventor country: DE & Applicant person: None & Tech fields : Airship or propulsion & Number of text pages: 1-2

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None (55) · Erhard Brunsmann (2)
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None (55) · CPC B64B1/58 (5) · CPC B64B1/00 (4) · CPC B64C33/02 (4) · CPC B64C11/00 (3) · CPC B64B1/40 (2) · CPC B64D7/02 (2)
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