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Title:
HIGH PRESSURE MERCURY VAPOR ARC DISCHARGE LAMP
Document Type and Number:
Japanese Patent JPS52146070
Kind Code:
A
Abstract:
The emitter material on the electrode of a high intensity discharge lamp comprises hafnium oxide, barium oxide and calcium oxide.

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Inventors:
UIRIAMU EFU KIIFUE
FUREDERITSUKU KOORII
Application Number:
JP4088077A
Publication Date:
December 05, 1977
Filing Date:
April 08, 1977
Export Citation:
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Assignee:
GTE SYLVANIA INC
International Classes:
H01J61/06; H01J61/073; (IPC1-7): H01J61/06



 
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