Drilldown: Patents
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Patents > National tech categories :
FR 6.3 or
USPC 416/119
& IPCs :
IPC B64B1/58 or
IPC B64C1/00 or
IPC B64C3/00 or
IPC B64C39/00
& CPCs :
CPC B64C39/003 or
CPC B64C39/005
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Showing below up to 7 results in range #1 to #7.