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发明名称
TUBING SUPPORT
摘要
申请公布号
ZA8309578(B)
申请公布日期
1984.08.29
申请号
ZA19830009578
申请日期
1983.12.22
申请人
RENSBURG LEVI PETRUS JANSE VAN
发明人
RENSBURG LEVI PETRUS JANSE VAN
分类号
E21F;F16L
主分类号
E21F
代理机构
代理人
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