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经营范围
发明名称
A venturi-screw propeller &/or turbine
摘要
申请公布号
GB0521180(D0)
申请公布日期
2005.11.23
申请号
GB20050021180
申请日期
2005.10.19
申请人
THISTLETHWAITE, JOHN
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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