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Patents > Tech fields : Dirigible or None & Granted: No

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CPCs:
None (178) · CPC B64C39/00 (40) · CPC B64C2700/6295 (39) · CPC B64C35/00 (33) · CPC B64C17/00 (33) · CPC B64B1/00 (28) · CPC B64C2700/6218 (19) · CPC B64C23/005 (15) · CPC B64C3/385 (14) · CPC B64F2700/6261 (14) · CPC B64C11/006 (12) · CPC B64C13/00 (11) · CPC B64C2700/6256 (10) · CPC B64C3/56 (10) · CPC B64C3/00 (10) · CPC B64C2700/6274 (9) · CPC B62C5/04 (8) · CPC B64C25/62 (8)
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