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发明名称
THE CONSTRUCTION OF TUNNELS OR PIPES FOR USE IN CIVIL ENGINEERING WORKS
摘要
申请公布号
AU5620186(A)
申请公布日期
1986.10.13
申请号
AU19860056201
申请日期
1986.03.12
申请人
ALLAN INTERNATIONAL MANUFACTURING PTY. LTD.
发明人
RONALD PURSSEY;ROBERT DOUGLAS PORTEOUS
分类号
E21D11/08
主分类号
E21D11/08
代理机构
代理人
主权项
地址
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