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发明名称
Blocked pipe clearing device
摘要
申请公布号
GB0222749(D0)
申请公布日期
2002.11.06
申请号
GB20020022749
申请日期
2002.10.02
申请人
MILTON, WILLIAM
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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