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发明名称
Support prop.
摘要
申请公布号
ZA200208388(B)
申请公布日期
2003.05.16
申请号
ZA20020008388
申请日期
2002.10.17
申请人
MINE SUPPORT PRODUCTS (PTY) LTD.
发明人
BRIAN ARTHUR HARRIS;ASOGAN MOODALY
分类号
E21D
主分类号
E21D
代理机构
代理人
主权项
地址
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