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发明名称
MINE ROOF BOLT ASSEMBLY
摘要
申请公布号
AU529588(B2)
申请公布日期
1983.06.09
申请号
AU19800061532
申请日期
1980.08.18
申请人
WHITE, C.C., CARR, F.;CARR F
发明人
CLAUDE C. WHITE;FREDERICK CARR
分类号
E21D20/00;E21D20/02;E21D21/00;(IPC1-7):E21D20/02
主分类号
E21D20/00
代理机构
代理人
主权项
地址
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