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经营范围
发明名称
ROCK BOLTS
摘要
申请公布号
ZA8306532(B)
申请公布日期
1984.04.25
申请号
ZA19830006532
申请日期
1983.09.02
申请人
CHAMBER OF MINES SERVICES LTD
发明人
JUSTIN PAUL MARAIS HOJEM;MARITZ ROYCE JOHN
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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