Drilldown: Patents

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Patents > Office : DE or UN or US & Grant date: 1870 - 1879 & Number of figures: None

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CPC B64C11/006 (31) · CPC B64C11/346 (27) · CPC B64C11/48 (21) · CPC Y02E10/722 (21) · CPC F03D11/00 (21) · CPC B63H1/12 (14) · CPC B63H1/04 (12) · CPC B64C27/33 (12) · CPC B64C11/343 (10) · CPC B64C11/36 (8) · None (8) · CPC Y02E10/72 (7) · CPC F05B2260/74 (6) · CPC F03D1/025 (6) · CPC B64C11/06 (5) · CPC Y02E10/28 (5) · CPC B64C29/0033 (5) · CPC B64C11/003 (5)
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