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Patents > CPCs: CPC B64C2700/6218 & Citations from after 1930: None & Number of claims: 5-70

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Adolf Sprater (3) · Alfred John Macy (2) · Otto Albin Budig (2) · None (2) · Adolphe-François-Joseph Doutre (2)
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Adolf Sprater (3) · Alfred John Macy (2) · Otto Albin Budig (2) · None (2) · Adolphe-François-Joseph Doutre (2)
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