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发明名称
BALL VALVE FOR PIPELINE BRANCHES' SUCCESSIVE SWITCHING
摘要
申请公布号
CS260039(B1)
申请公布日期
1988.11.15
申请号
CS19850002811
申请日期
1985.04.17
申请人
GEORGIEV,VESSELIN J.,BG;MEDNIKAROV,VLADIMIR S.,BG
发明人
GEORGIEV,VESSELIN J.,BG;MEDNIKAROV,VLADIMIR S.,BG
分类号
A01G25/16;(IPC1-7):F16K31/122
主分类号
A01G25/16
代理机构
代理人
主权项
地址
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