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经营范围
发明名称
Anti-butterfly, valve
摘要
申请公布号
GB9419643(D0)
申请公布日期
1994.11.16
申请号
GB19940019643
申请日期
1994.09.29
申请人
HORTON, PAUL R
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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