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发明名称
LONGWALL MINING APPATATUS
摘要
申请公布号
AU511334(B2)
申请公布日期
1980.08.14
申请号
AU19770028934
申请日期
1977.09.20
申请人
FOSTER-MILLER ASSOCIATES, INC.
发明人
C.V. PEAKE
分类号
E21D23/00;(IPC1-7):E21D23/04
主分类号
E21D23/00
代理机构
代理人
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地址
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