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发明名称
CUT-OFF VALVE WITH SOFT SEALING VALVE HEAD
摘要
申请公布号
PL148096(B1)
申请公布日期
1989.09.30
申请号
PL19860258729
申请日期
1986.04.01
申请人
发明人
分类号
F16K1/36;(IPC1-7):F16K1/34
主分类号
F16K1/36
代理机构
代理人
主权项
地址
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