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发明名称
SEWAGE LEVEL DROP
摘要
申请公布号
SU1513093(A1)
申请公布日期
1989.10.07
申请号
SU19874264989
申请日期
1987.06.18
申请人
LE INZH-STR INSTITUT
发明人
LAPSHEV NIKOLAJ N,SU;VASILEV VIKTOR M,SU;SHAURO PETR K,SU
分类号
E03F5/00
主分类号
E03F5/00
代理机构
代理人
主权项
地址
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