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经营范围
发明名称
Vacuum pump
摘要
申请公布号
US2913167(A)
申请公布日期
1959.11.17
申请号
US19580711397
申请日期
1958.01.27
申请人
WISCONSIN ALUMNI RESEARCH FOUNDATION
发明人
HERB RAYMOND G.
分类号
H01J41/16
主分类号
H01J41/16
代理机构
代理人
主权项
地址
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