发明名称 |
Gas and/or vapor discharge lamp |
摘要 |
The invention relates to a low-pressure sodium vapor discharge lamp provided with a U-shaped discharge tube which is enveloped by an outer bulb. The bend of that discharge tube is supported by means of a metal element relative to the outer bulb.
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申请公布号 |
US4129800(A) |
申请公布日期 |
1978.12.12 |
申请号 |
US19770846192 |
申请日期 |
1977.10.27 |
申请人 |
US PHILIPS CORP |
发明人 |
SCHMIDT E;BENTHEM W |
分类号 |
H01J61/34;(IPC1-7):H01J61/30 |
主分类号 |
H01J61/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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