Drilldown: Patents
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Patents > Office :
DK or
GR or
US
& Application number:
25723218
& National tech categories :
AT 77d or
FR 6.2 or
USPC 244/3.23 or
USPC 244/30 or
USPC 244/80 or
None
& Family year:
1911
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.