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经营范围
发明名称
Air admittance valve
摘要
申请公布号
GB9602973(D0)
申请公布日期
1996.04.10
申请号
GB19960002973
申请日期
1996.02.13
申请人
GLYNWED PLASTICS LIMITED
发明人
分类号
E03C1/122;F16K15/14
主分类号
E03C1/122
代理机构
代理人
主权项
地址
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