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发明名称
CHYTAC NARADIA
摘要
申请公布号
CS8602302(A1)
申请公布日期
1988.05.16
申请号
CS19860002302
申请日期
1986.04.01
申请人
BOCKO MILAN ING.,CS
发明人
BOCKO MILAN ING.,CS
分类号
E21B31/18;(IPC1-7):E21B31/18
主分类号
E21B31/18
代理机构
代理人
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