TREA

Ryoka Techono Engineering & Construction Co.

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  • Tokyo, JP
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  • Information Patent Grant

    Rotating-drum heat treatment apparatus
    • Patent number 4,934,928
    • Issue date Jun 19, 1990
    • Ryoka Techono Engineering & Construction Co.
    • Hirokazu Akamatsu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

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