TREA

Adrian L. Gray

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  • Johannesburg, ZA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermocouples
    • Patent number 4,241,003
    • Issue date Dec 23, 1980
    • Tempra Therm Limited
    • Adrian L. Gray
    • B28 - WORKING CEMENT, CLAY, OR STONE