Drilldown: Patents
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Patents > Filing date:
1980
& Grant date:
February 1982
& Cites
:
Patent US 3413513A
or
Patent US 3629731A
or
None
& Links
:
7T11
or
None ![](/tekwiki/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 2 results in range #1 to #2.