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经营范围
发明名称
VACUUM FURNACE WITH GAS COOLING ARRANGEMENT
摘要
申请公布号
PL115428(B1)
申请公布日期
1981.04.30
申请号
PL19790215823
申请日期
1979.05.24
申请人
发明人
分类号
C21D1/773;F27B5/04;F27B5/06;F27B5/14;F27B5/16;F27B14/04;F27D9/00;(IPC1-7):F27D9/00
主分类号
C21D1/773
代理机构
代理人
主权项
地址
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