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Patents > Grant date: March 1911 & National tech categories : AU 90.3 or None

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Arthur Ferguson Pollock (2) · Joseph von Korwin (2)
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None (3) · Arthur Ferguson Pollock (2) · Joseph von Korwin (2)
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CPCs:
CPC B64C17/00 (6) · CPC B64C2700/6218 (3) · CPC A63H27/08 (2) · CPC B64C3/00 (2) · CPC B64C2700/6216 (2) · CPC B64C39/00 (2) · CPC B64C39/005 (2) · CPC B64C2700/6281 (2) · CPC B64C17/06 (2) · CPC B64C2700/6295 (2) · CPC B64C11/006 (2) · CPC B64F2700/6226 (2) · CPC B64B1/58 (2)
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