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发明名称
FURNACE FOR HARDENING STEEL WORKPIECES
摘要
申请公布号
PL128972(B1)
申请公布日期
1984.03.31
申请号
PL19790218166
申请日期
1979.09.07
申请人
发明人
分类号
C21D;C21D1/667;F27D;(IPC1-7):C21D1/66
主分类号
C21D
代理机构
代理人
主权项
地址
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