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发明名称
Method and apparatus for exhausting and sealing-off lamp envelopes
摘要
申请公布号
US2740570(A)
申请公布日期
1956.04.03
申请号
US19530382751
申请日期
1953.09.28
申请人
GENERAL ELECTRIC COMPANY
发明人
BREADNER ROBERT LEONARD;SIMMS CHARLES HENRY
分类号
H01J9/38
主分类号
H01J9/38
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代理人
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