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发明名称
MINE SIGNALLING MEANS
摘要
申请公布号
AU542089(B2)
申请公布日期
1985.02.07
申请号
AU19800060489
申请日期
1980.07.18
申请人
SYNCOR ELECTRONICS PROPRIETARY LTD.
发明人
EDWIN ARTHUR SCHOLTZ
分类号
E21F17/18;(IPC1-7):B66B3/00;B66B19/06
主分类号
E21F17/18
代理机构
代理人
主权项
地址
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