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Tiolektrik Trademarks
TIOLEKTRIK
CERAMIC MATERIALS FOR USE AS A DIELECTRIC
Expired
·
September 21, 1967
·
72280838
·
TIOLEKTRIK
HIGH DIELECTRIC CONSTANT CERAMICS FOR USE AS INSULATORS IN CAPACITORS, CONDENSERS, RESISTORS AND THE LIKE INVOLVING THE USE OF TITANIUM
Expired
·
October 5, 1945
·
71489431
·
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