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Patents > Applicant firm: None & Applicant type : INDIV or А. Нейфельд & Tech fields : balloon or control or wings

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FR (597) · US (259) · DE (229) · GB (178) · None (58) · AT (56) · HU (50) · BE (47) · IT (41) · RU (41) · CH (36) · AU (21) · ES (15) · RO (13) · CA (10) · AH (9) · Poland (8) · NL (8) · Prussia (7)
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IPCs:
None (722) · IPC B64C17/00 (110) · IPC B64C39/00 (91) · IPC B64B1/00 (88) · IPC B64C1/00 (82) · IPC B64C13/00 (71) · IPC B64C3/00 (42) · IPC B64C3/38 (41) · IPC B64C33/02 (38) · IPC B64C3/54 (29) · IPC B64C23/00 (28) · IPC B64B1/58 (24) · IPC B64B1/40 (21) · IPC B64C11/00 (20) · IPC B64C3/52 (19) · IPC B64C3/56 (18) · IPC B64C3/48 (17) · IPC B64C33/00 (16) · IPC B64B1/62 (12) · IPC B64C13/04 (11)
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