Thermoelectric black plate and thermocouple

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  • Information Patent Grant

    Fixing device and image forming apparatus

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    • Issue date Mar 15, 2016
    • Ricoh Company, Ltd.
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    • G01 - MEASURING TESTING
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    Differential temperature measuring radiometer

    • Patent number 4,776,825
    • Issue date Oct 11, 1988
    • Beckman Instruments, Inc.
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    Radiometer

    • Patent number 4,702,618
    • Issue date Oct 27, 1987
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