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经营范围
发明名称
A DRILLING TEMPLATE RUNNING ASSEMBLY
摘要
申请公布号
ZA8005896(B)
申请公布日期
1981.10.28
申请号
ZA19800005896
申请日期
1980.09.23
申请人
ERASMUS L
发明人
ERASMUS L
分类号
E21B
主分类号
E21B
代理机构
代理人
主权项
地址
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