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发明名称
SAFETY VALVE OF FERROALLOY FURNACE ARCH
摘要
申请公布号
SU1453142(A2)
申请公布日期
1989.01.23
申请号
SU19864161630
申请日期
1986.10.20
申请人
OTDEL VNI PK T I ELEKTROTERM
发明人
EGOROV PAVEL I,SU;DANILEVSKIJ LEONTIJ D,SU;YAKUTOVICH NATALYA A,SU
分类号
F27D21/00
主分类号
F27D21/00
代理机构
代理人
主权项
地址
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