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发明名称
ARRANGEMENT FOR REDUCTION OF HYDRAULIC LOSSES IN A PIPELINE
摘要
申请公布号
SU566978(A1)
申请公布日期
1977.07.30
申请号
SU19752306044
申请日期
1975.12.29
申请人
POPOV IGOR K,SU
发明人
POPOV IGOR K,SU
分类号
F15D1/06;F17D1/20;(IPC1-7):F15D1/06
主分类号
F15D1/06
代理机构
代理人
主权项
地址
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