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发明名称
YIELDABLE ROCK BOLT ASSEMBLY
摘要
申请公布号
AU8832582(A)
申请公布日期
1983.03.24
申请号
AU19820088325
申请日期
1982.09.13
申请人
COALEQUIP PTY. LTD.
发明人
DANIEL MINNAAR;JAMES ATHERTON BREWS;CLIVE STRAUGHAN
分类号
E21D21/00;F16B17/00
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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