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经营范围
发明名称
Couronne de fleuret à percussion pour le forage de trous larges
摘要
申请公布号
CH354406(A)
申请公布日期
1961.05.31
申请号
CHD354406
申请日期
1959.04.01
申请人
UDDEHOLMS AKTIEBOLAG
发明人
HOEISETH HJULSTAD,INGOLF
分类号
E21B10/40
主分类号
E21B10/40
代理机构
代理人
主权项
地址
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