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Archive | 1973

Messfuehler fuer die bestimmung des sauerstoffgehaltes in abgasen, vorwiegend von verbrennungsmotoren

Topp Bernhard; Neidhard Horst; Pollner Rudolf; Friese Karl-Hermann


Archive | 1973

Composition resistor suitable for spark plugs and method of making the same

Friese Karl-Hermann; Geier Heinz


Archive | 1974

Ceramic oxide resistor element

Esper Friedrich J; Friese Karl-Hermann; Pollner Rudolf


Archive | 1992

SENSOR ELEMENT FOR LIMITING CURRENT SENSORS FOR DETERMINATION OF THE (LAMBDA) VALUE OF GAS MIXTURES

Friese Karl-Hermann; Hoetzel Gerhard


Archive | 2000

Sensor for determining the oxygen content in internal combustion engine exhaust gas has a one-part receiving molded part and an axial-symmetric cylindrical longitudinal bore and/or a gas-tight metal sleeve pressed around a sensor element

Geier Heinz; Weyl Helmut; Wiedenmann Hans-Martin; Friese Karl-Hermann


Archive | 1977

Electrochemical oxygen probe for (engine) exhaust gas - has porous protective coating catalysing attainment of gas equilibrium

Topp Bernhard; Neidhard Horst; Pollner Rudolf; Friese Karl-Hermann


Archive | 2003

Gassensor, insbesondere für Abgase von Brennkraftmaschinen, und Verfahren zu dessen Herstellung

Weyl Helmut; Friese Karl-Hermann


Archive | 2000

MEASURING SENSOR AND ITS MANUFACTURE

Geier Heinz; Weyl Helmut; Wiedenmann Hans-Martin Dr; Friese Karl-Hermann


Archive | 1998

Production of insulating layer for heater for probe for determining oxygen concentration in gas mixture, e.g. internal combustion engine exhaust gas involves sintering barium and/or strontium oxide with alumina

Diehl Lothar; Friese Karl-Hermann


Archive | 1994

TEMPERATURE-RESISTANT CERAMIC

Friese Karl-Hermann

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