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发明名称
METHOD AND APPARATUS FOR IMPROVING NATURAL GREENLAND
摘要
申请公布号
SU1375154(A1)
申请公布日期
1988.02.23
申请号
SU19864130578
申请日期
1986.08.11
申请人
VNII ZEMLEDELIYA ZASHCHITY POCHV OT EROZII
发明人
BUTORIN IVAN M,SU;KOCHEDYKOV VLADIMIR M,SU;CHERKASOV GRIGORIJ N,SU
分类号
A01B79/02;A01B49/06
主分类号
A01B79/02
代理机构
代理人
主权项
地址
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