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Patents > IPCs : IPC B64B1/00 or IPC B64C25/00 or IPC B64C39/00 & First filing: Yes & Citations from after 1930: 1-2

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None (5) · FR 6.4 (4) · USPC 244/25 (3) · USPC 244/20 (2) · USPC 244/9 (2) · USPC 244/67 (2) · USPC 244/32 (2) · USPC 244/29 (2) · USPC 244/30 (2) · USPC 244/102R (2)
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Showing below up to 37 results in range #1 to #37.

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