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发明名称
Seat ring for a ball valve
摘要
申请公布号
GB856676(A)
申请公布日期
1960.12.21
申请号
GB19580027163
申请日期
1958.08.25
申请人
WORCESTER VALVE CO. INC.
发明人
SANCTUARY ROBERT EUGENE
分类号
F16K5/06
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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