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发明名称
SEALING OF FISSURES AND THE LIKE
摘要
申请公布号
ZA8800926(B)
申请公布日期
1988.10.26
申请号
ZA19880000926
申请日期
1988.02.10
申请人
HI-TEK MINING SERVICES (PROPRIETARY) LIMITED
发明人
PETER EDWARD GILBERT;LUKAS ADRIAN JACOBUS VAN DEN HEEVER
分类号
C09K;E02B;E21D
主分类号
C09K
代理机构
代理人
主权项
地址
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