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US4097221A Photoflash lamp with combustible filament 失效
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Photoflash lamp with combustible filament
摘要:
A photoflash lamp having an ignition filament composed of a combustible metal, such as zirconium, hafnium, or titanium, to assure reliable lamp operation from low current power sources. In miniature high pressure lamps, the combustible filament may be employed as the sole ignition source, without the need for primer beads.
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