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发明名称
HALF-TURN VALVE
摘要
申请公布号
GB2183311(A)
申请公布日期
1987.06.03
申请号
GB19860015937
申请日期
1986.06.30
申请人
* CONVAL INC
发明人
CHESTER A * SIVER
分类号
F16K5/00;(IPC1-7):F16K31/44
主分类号
F16K5/00
代理机构
代理人
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