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TEMPERING

申请公布号:GB1385275(A)

申请号:GB19720051958

申请日期:1972.11.10

申请公布日期:1975.02.26

申请人:
PPG INDUSTRIES INC

分类号:C03B27/008;C03B27/04;(IPC1-7):C03B27/00;C21D1/56

主分类号:C03B27/008

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