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经营范围
发明名称
QUENCHING COOLANT
摘要
申请公布号
PL152073(B1)
申请公布日期
1990.11.30
申请号
PL19870268848
申请日期
1987.11.17
申请人
发明人
分类号
C08L;C08L33/26;C09K;C21D;C21D1/60;(IPC1-7):C21D1/60
主分类号
C08L
代理机构
代理人
主权项
地址
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