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经营范围
发明名称
High torque, high speed rotary feedthrough seal for ultrahigh vacuum chambers
摘要
申请公布号
US3181873(A)
申请公布日期
1965.05.04
申请号
US19620168627
申请日期
1962.01.25
申请人
NATIONAL RESEARCH CORPORATION
发明人
REED MALCOLM E.
分类号
F16J15/18
主分类号
F16J15/18
代理机构
代理人
主权项
地址
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