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经营范围
发明名称
VERSNELLINGSORGAAN MET STOOTMECHANISME.
摘要
申请公布号
NL8801188(A)
申请公布日期
1989.04.17
申请号
NL19880001188
申请日期
1988.05.06
申请人
EDWIN ALEXANDER ANDERSON EN DERREL DEE WEBB BEIDEN TE HOUSTON, TEXAS, VER. ST. V. AM.
发明人
分类号
E21B31/107
主分类号
E21B31/107
代理机构
代理人
主权项
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