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发明名称
CHECK VALVE HAVING AN EXPANSION ELEMENT
摘要
申请公布号
GB9212400(D0)
申请公布日期
1992.07.22
申请号
GB19920012400
申请日期
1992.06.11
申请人
IDEAL-STANDARD LIMITED
发明人
分类号
E03C1/10;F16K15/06;F16K47/00
主分类号
E03C1/10
代理机构
代理人
主权项
地址
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