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发明名称
POSITIONING OF DEFLECTION WEDGES
摘要
申请公布号
ZA8201795(B)
申请公布日期
1983.01.26
申请号
ZA19820001795
申请日期
1982.03.17
申请人
BOART INT LTD
发明人
TOWER TIMOTHY MARSH
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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