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发明名称
ELECTRIC PROPULSION UNIT
摘要
申请公布号
GB8911686(D0)
申请公布日期
1989.07.05
申请号
GB19890011686
申请日期
1989.05.22
申请人
SPENCE, GEOFFREY M
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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