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经营范围
发明名称
Molecular vacuum pump
摘要
申请公布号
GB1015887(A)
申请公布日期
1966.01.05
申请号
GB19630021018
申请日期
1963.05.27
申请人
WILLIAM KENNETH ROBERTS
发明人
分类号
F04D19/04
主分类号
F04D19/04
代理机构
代理人
主权项
地址
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