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发明名称
Mine ventilation
摘要
申请公布号
AU2003227332(A1)
申请公布日期
2004.04.22
申请号
AU20030227332
申请日期
2003.07.30
申请人
JACK KENNEDY METAL PRODUCTS AND BUILDINGS, INC.
发明人
JOHN M. KENNEDY;WILLIAM R. KENNEDY
分类号
E21F1/14;(IPC1-7):E21F1/08
主分类号
E21F1/14
代理机构
代理人
主权项
地址
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