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发明名称
Mine Ventilation Structure and Deck Panels Thereof
摘要
申请公布号
AU2002323719(B2)
申请公布日期
2005.05.26
申请号
AU20020323719
申请日期
2002.12.24
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):E21F001/14
主分类号
E21F1/14
代理机构
代理人
主权项
地址
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