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经营范围
发明名称
DRAINAGE FILTER
摘要
申请公布号
SU643170(A1)
申请公布日期
1979.01.25
申请号
SU19772472309
申请日期
1977.04.04
申请人
VNII PO PRIMENENIYU POLIMERNYKH MATERIALOV V MELIORATSII VODNOM KHOZYAJSTVE
发明人
GAJLITIS INDULIS YU,SU;YUSKE ANTO KH,SU;KALNTSIEMS VISVALDIS A,SU;NOVIK NOZMI P,SU
分类号
(IPC1-7):B01D23/26
主分类号
(IPC1-7):B01D23/26
代理机构
代理人
主权项
地址
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