AU475338A - Improvements in or relating to electric incandescent lamps having gas-filling which contains nitrogen - Google Patents

Improvements in or relating to electric incandescent lamps having gas-filling which contains nitrogen

Info

Publication number
AU475338A
AU475338A AU4753/38A AU475338A AU475338A AU 475338 A AU475338 A AU 475338A AU 4753/38 A AU4753/38 A AU 4753/38A AU 475338 A AU475338 A AU 475338A AU 475338 A AU475338 A AU 475338A
Authority
AU
Australia
Prior art keywords
relating
filling
gas
incandescent lamps
contains nitrogen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU4753/38A
Other versions
AU107314B2 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of AU475338A publication Critical patent/AU475338A/en
Publication of AU107314B2 publication Critical patent/AU107314B2/en
Expired legal-status Critical Current

Links

AU4753/38A 1938-10-28 Improvements in or relating to electric incandescent lamps having gas-filling which contains nitrogen Expired AU107314B2 (en)

Publications (2)

Publication Number Publication Date
AU475338A true AU475338A (en) 1939-05-11
AU107314B2 AU107314B2 (en) 1939-05-11

Family

ID=

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