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发明名称
SAND-GRAVEL TRAP
摘要
申请公布号
SU1546547(A1)
申请公布日期
1990.02.28
申请号
SU19874374363
申请日期
1987.12.25
申请人
VNII KOMPLEKSNOJ AVTOM MELIORATIVNYKH SISTEM;G PI PO ZEMLEUSTROJSTVU "KIRGIZGIPROZEM"
发明人
KALININ BORIS I,SU;PRESNYAKOV KONSTANTIN A,SU
分类号
E02B8/02
主分类号
E02B8/02
代理机构
代理人
主权项
地址
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