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Patents > CPCs: CPC B64C39/00 & Number of claims: 3-5 & Number of figures: 5-20

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None (4) · Adolph Ditriech Wittemann (2) · Charles Rudolph Wittemann (2) · Louis Zorra (2)
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None (4) · Adolph Ditriech Wittemann (2) · Louis Zorra (2) · Charles Rudolph Wittemann (2)
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