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发明名称
WATER LEVEL REGULATOR FOR DRAINAGE/SEWAGE SYSTEM
摘要
申请公布号
SU1425614(A1)
申请公布日期
1988.09.23
申请号
SU19874198527
申请日期
1987.02.23
申请人
G PROEKTNO-IZYSKATELSKIJ I "LVOVGIPROVODKHOZ"
发明人
ROMANYAK GRIGORIJ M,SU;TYSHENKO ALEKSEJ I,SU
分类号
G05D9/02
主分类号
G05D9/02
代理机构
代理人
主权项
地址
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