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经营范围
发明名称
Rock drill feeder beam structure.
摘要
申请公布号
ZA9907818(B)
申请公布日期
2000.06.30
申请号
ZA19990007818
申请日期
1999.12.22
申请人
APP - SUB. ANGLO OPERATIONS LTD.
发明人
CAREL ALLENWYN JACOBS;PETRUS ALBERTUS JOZEF HES
分类号
E21B;E21C
主分类号
E21B
代理机构
代理人
主权项
地址
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