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经营范围
发明名称
Apparatus for automatically vacuum coating of interior of glass tubes with metal
摘要
申请公布号
US2730987(A)
申请公布日期
1956.01.17
申请号
US19540418640
申请日期
1954.03.25
申请人
JAMES L. ENTWISTLE COMPANY
发明人
NELSON ALDEN W.
分类号
H01J29/28
主分类号
H01J29/28
代理机构
代理人
主权项
地址
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