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发明名称
VALVE
摘要
申请公布号
GB8926071(D0)
申请公布日期
1990.01.10
申请号
GB19890026071
申请日期
1989.11.17
申请人
NUPRO COMPANY
发明人
分类号
F16K1/36;F16K41/12;(IPC1-7):F16K1/04
主分类号
F16K1/36
代理机构
代理人
主权项
地址
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