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经营范围
发明名称
TEMPERING
摘要
申请公布号
GB1385275(A)
申请公布日期
1975.02.26
申请号
GB19720051958
申请日期
1972.11.10
申请人
PPG INDUSTRIES INC
发明人
分类号
C03B27/008;C03B27/04;(IPC1-7):C03B27/00;C21D1/56
主分类号
C03B27/008
代理机构
代理人
主权项
地址
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