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发明名称
A DRAIN COVER ASSEMBLY
摘要
申请公布号
GB8926115(D0)
申请公布日期
1990.01.10
申请号
GB19890026115
申请日期
1989.11.18
申请人
YEO, STEVE S K
发明人
分类号
E03F5/042
主分类号
E03F5/042
代理机构
代理人
主权项
地址
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