Drilldown: Patents
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Patents > Office
:
IT
or
NZ
or
RU
or
US
& Supplementary to patent:
Patent GB-1913-16499
& National tech categories
:
IT 8
or
USPC 244/153R
or
USPC 244/22
or
USPC 244/80
& Family year:
1910 - 1919
& Cites these patents:
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Showing below up to 1 result in range #1 to #1.