F - Mech Eng,Light,Heat,Weapons – 21 – K
Patent
F - Mech Eng,Light,Heat,Weapons
21
K
240/126
F21K 2/04 (2006.01) H01J 61/12 (2006.01) H01J 61/16 (2006.01)
Patent
CA 1181049
11 ABSTRACT Low-pressure mercury vapour discharge lamp having a curved discharge vessel in which a mercury discharge is maintained between the electrodes and in which furthermore an amlagam is provided to control the mercury vapour pres- sure, the discharge vessel containing a rare gas mixture which contains at least 50 at. % krypton at a pressure of 130 to 520 Pa.
388492
Couwenberg Winston D.
Heuvelmans Jean J.
Ligthart Franciscus A.s.
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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