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发明名称
Improvements in and relating to long wall hydraulic supply systems
摘要
申请公布号
AU2011201510(A1)
申请公布日期
2011.11.03
申请号
AU20110201510
申请日期
2011.04.04
申请人
S.A. ARMSTRONG LIMITED
发明人
ARMSTRONG, CHARLES ALLAN;NEWTON, STEPHEN JAMES
分类号
E21D23/26;E21D23/00
主分类号
E21D23/26
代理机构
代理人
主权项
地址
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