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发明名称
ROPE CHOPPER
摘要
申请公布号
SU1705544(A1)
申请公布日期
1992.01.15
申请号
SU19904786379
申请日期
1990.01.26
申请人
GOJ VLADIMIR L
发明人
GOJ VLADIMIR L,SU
分类号
E21B29/04
主分类号
E21B29/04
代理机构
代理人
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