AU260151B2 - Method for producing an insulating coating onthe heating element ofthe indirectly heated cathode ofan electric discharge tube
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Method for producing an insulating coating onthe heating element ofthe indirectly heated cathode ofan electric discharge tube
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Telefunken Patentverwertungs GmbH
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Telefunken Patentverwertungs GmbH
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AU25429/62A1962-12-13Method for producing an insulating coating onthe heating element ofthe indirectly heated cathode ofan electric discharge tube
ExpiredAU260151B2
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