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经营范围
发明名称
Draining rod
摘要
申请公布号
GB9822790(D0)
申请公布日期
1998.12.16
申请号
GB19980022790
申请日期
1998.10.20
申请人
WRIGHT, IAN
发明人
分类号
E03C1/306
主分类号
E03C1/306
代理机构
代理人
主权项
地址
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