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经营范围
发明名称
Vacuum pump
摘要
申请公布号
US3115297(A)
申请公布日期
1963.12.24
申请号
US19600035807
申请日期
1960.06.13
申请人
VARIAN ASSOCIATES
发明人
LLOYD WILLIAM A.;JEPSEN ROBERT L.
分类号
H01J41/20
主分类号
H01J41/20
代理机构
代理人
主权项
地址
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