Drilldown: Patents
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Patents > Office
:
BE
or
FR
or
NL
or
SE
or
Other
& Publication date:
1880 - 1889
& CPCs
:
CPC B22D33/00
or
CPC B64B1/00
& Number of diagram pages:
1 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.