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经营范围
发明名称
A float device
摘要
申请公布号
GB0105405(D0)
申请公布日期
2001.04.18
申请号
GB20010005405
申请日期
2001.03.06
申请人
WATSON, CARL E
发明人
分类号
E03C1/242;G01F23/40
主分类号
E03C1/242
代理机构
代理人
主权项
地址
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