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发明名称
ROPE-OPERATED SCRAPER
摘要
申请公布号
SU1491969(A1)
申请公布日期
1989.07.07
申请号
SU19874323160
申请日期
1987.11.02
申请人
KARAGANDINSKIJ TS PK T BYURO GLAVSANTEKHPROMA
发明人
BATRAK ALEKSANDR N,SU;KIM NATALIYA V,SU
分类号
E02F3/54
主分类号
E02F3/54
代理机构
代理人
主权项
地址
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