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发明名称
SHUT-OFF VALVE
摘要
申请公布号
GB2009888(B)
申请公布日期
1982.06.30
申请号
GB19780036109
申请日期
1978.09.08
申请人
SIGMA ENTERPRISES INC
发明人
分类号
F16K17/38;F16K31/126;(IPC1-7):F16K1/00
主分类号
F16K17/38
代理机构
代理人
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