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Patents > Family year: 1911 & Number of text pages: 4-20 & Number of diagram pages: 2

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William Elmer Dennis (2) · Harry Say Bretton (2) · Auguste-Blaise Baron (2)
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None (3) · Auguste-Blaise Baron (2) · Harry Say Bretton (2) · William Elmer Dennis (2)
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CPC B64C2700/6295 (7) · CPC B64C39/00 (7) · CPC B64C17/00 (4) · CPC B64C3/385 (3) · None (3) · CPC B64C2700/6218 (2) · CPC B64C21/02 (2) · CPC B64C39/08 (2) · CPC B64C23/005 (2) · CPC B64C33/00 (2)
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