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发明名称
VACUUM ELECTRIC FURNACE FOR METALLIC CEMENTATION
摘要
申请公布号
SU1681154(A1)
申请公布日期
1991.09.30
申请号
SU19894688845
申请日期
1989.03.09
申请人
EFIMOV VLADIMIR A,SU;MARTYNOV VIKTOR D,SU
发明人
EFIMOV VLADIMIR A,SU;MARTYNOV VIKTOR D,SU
分类号
F27B5/05
主分类号
F27B5/05
代理机构
代理人
主权项
地址
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