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发明名称
MINE SUPPORT
摘要
申请公布号
ZA8301938(B)
申请公布日期
1983.12.28
申请号
ZA19830001938
申请日期
1983.03.21
申请人
RIEMANN KLAAS PETER
发明人
RIEMANN KLAAS PETER
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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