LOW PRESSURE MERCURY VAPOUR DISCHARGE LAMP
United States Patent 3544829

Inventors:
Someya, Akira
Hanada, Teizo
Watanabe, Tadaaki
Publication Date:
12/01/1970
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Assignee:
TOKYO SHIBAURA ELECTRIC CO
Primary Class:
313/554
Other Classes:
313/490, 313/559
International Classes:
H01J7/18; H01J61/26; H01J7/00; H01J61/24; H01K1/56




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