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发明名称
NOZZLE OF FIRE EXTINGUISHING APPARATUS ON MINING MACHINE
摘要
申请公布号
PL144533(B3)
申请公布日期
1988.06.30
申请号
PL19850253752
申请日期
1985.05.30
申请人
发明人
分类号
A62C;(IPC1-7):A62C13/50;A62C31/16
主分类号
A62C
代理机构
代理人
主权项
地址
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