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发明名称
BUCKET SCRAPER
摘要
申请公布号
SU1555432(A1)
申请公布日期
1990.04.07
申请号
SU19874259133
申请日期
1987.06.09
申请人
SHAVOLOV ANDREJ S
发明人
SHAVOLOV ANDREJ S,SU
分类号
E02F3/64
主分类号
E02F3/64
代理机构
代理人
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