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AU2913857A - Improvements in or relating to electric incandescent lamps for projection purposes - Google Patents

Improvements in or relating to electric incandescent lamps for projection purposes

Info

Publication number
AU2913857A
AU2913857A AU29138/57A AU2913857A AU2913857A AU 2913857 A AU2913857 A AU 2913857A AU 29138/57 A AU29138/57 A AU 29138/57A AU 2913857 A AU2913857 A AU 2913857A AU 2913857 A AU2913857 A AU 2913857A
Authority
AU
Australia
Prior art keywords
relating
incandescent lamps
electric incandescent
projection purposes
projection
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
AU29138/57A
Other versions
AU221213B2 (en
Inventor
Huning Wilhelm
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 AU221213B2 publication Critical patent/AU221213B2/en
Publication of AU2913857A publication Critical patent/AU2913857A/en
Expired legal-status Critical Current

Links

AU29138/57A 1957-07-02 Improvements in or relating to electric incandescent lamps for projection purposes Expired AU221213B2 (en)

Publications (2)

Publication Number Publication Date
AU221213B2 AU221213B2 (en) 1958-01-09
AU2913857A true AU2913857A (en) 1958-01-09

Family

ID=

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