Drilldown: Patents
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Patents > Office
:
AT
or
FR
or
Other
& Applicant firm:
None
& Filing date:
1918
& Supplementary to patent:
None
& IPCs
:
IPC B64C3/00
or
IPC B64C3/18
or
IPC B64C33/00
or
IPC B64C33/02 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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CPC B64C2700/6233 (8) ·
CPC B64C2700/6235 (10) ·
CPC B64C3/00 (23) ·
CPC B64C3/18 (6) ·
CPC B64C3/185 (5) ·
CPC B64C3/54 (1) ·
CPC B64C3/546 (1) ·
CPC B64C33/02 (3) ·
CPC E04C2003/0413 E04C3/07 (1) ·
CPC E04C2003/0421 (1) ·
CPC E04C2003/0434 (1) ·
CPC E04C2003/0452 (1) ·
CPC E04C2003/0473 (1) ·
CPC E04C3/09 (1) ·
CPC F16G11/12 (1) ·
CPC Y02T50/145 (1) ·
CPC Y10T403/7141 (1)
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