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经营范围
发明名称
Perpetual motion internal bouyancy engine
摘要
申请公布号
GB9804669(D0)
申请公布日期
1998.04.29
申请号
GB19980004669
申请日期
1998.03.04
申请人
QUINN, DAVID
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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