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经营范围
发明名称
FIRE BARRIER IN MINE WORKING
摘要
申请公布号
AU549514(B2)
申请公布日期
1986.01.30
申请号
AU19820081935
申请日期
1981.04.01
申请人
AQUILA STEEL CO. LTD.
发明人
NAME NOT GIVEN
分类号
E21F5/14
主分类号
E21F5/14
代理机构
代理人
主权项
地址
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