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经营范围
发明名称
Magnetic traps
摘要
申请公布号
US2885081(A)
申请公布日期
1959.05.05
申请号
US19540455489
申请日期
1954.09.13
申请人
STEM DONALD E
发明人
STEM DONALD E.
分类号
B03C1/28
主分类号
B03C1/28
代理机构
代理人
主权项
地址
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