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发明名称
VENTILATION EQUIPMENT
摘要
申请公布号
GB2111190(B)
申请公布日期
1985.01.30
申请号
GB19810036970
申请日期
1981.12.08
申请人
* COAL INDUSTRY
发明人
COLIN JAMES * ROBSON
分类号
F24F13/06;(IPC1-7):F24F7/08
主分类号
F24F13/06
代理机构
代理人
主权项
地址
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