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发明名称
Air admittance valve
摘要
申请公布号
GB2298027(A)
申请公布日期
1996.08.21
申请号
GB19960002973
申请日期
1996.02.13
申请人
* GLYNWED PLASTICS LIMITED
发明人
NICHOLAS JUSTIN * WALKER;JAMES RICHARD * HIRST
分类号
E03C1/122;F16K15/14;(IPC1-7):F16K15/14
主分类号
E03C1/122
代理机构
代理人
主权项
地址
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