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发明名称
Combined machine for exhausting, bombarding, and sealing off radiotubes, lamp bulbs, and the like
摘要
申请公布号
US1819597(A)
申请公布日期
1931.08.18
申请号
US19250025745
申请日期
1925.04.25
申请人
EISLER ELECTRIC CORPORATION
发明人
EISLER CHARLES
分类号
H01J9/38
主分类号
H01J9/38
代理机构
代理人
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地址
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