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发明名称
MINE ROOF SUPPORTS
摘要
申请公布号
AU1422376(A)
申请公布日期
1977.12.01
申请号
AU19760014223
申请日期
1976.05.24
申请人
FLETCHER SUTCLIFFE WILD LTD.
发明人
PHILIP DUDLEY;LEWIS ROBERT BOWER;MALCOLM WAKE
分类号
E21D23/04
主分类号
E21D23/04
代理机构
代理人
主权项
地址
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