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AU147589B2 - Improvements in or relating to indirectly heated cathodes for electric discharge tubes - Google Patents
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AU147589B2 - Improvements in or relating to indirectly heated cathodes for electric discharge tubes - Google Patents

Improvements in or relating to indirectly heated cathodes for electric discharge tubes

Info

Publication number
AU147589B2
AU147589B2 AU22905/48A AU2290548A AU147589B2 AU 147589 B2 AU147589 B2 AU 147589B2 AU 22905/48 A AU22905/48 A AU 22905/48A AU 2290548 A AU2290548 A AU 2290548A AU 147589 B2 AU147589 B2 AU 147589B2
Authority
AU
Australia
Prior art keywords
relating
electric discharge
discharge tubes
indirectly heated
heated cathodes
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
AU22905/48A
Other versions
AU2290548A (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 AU147589B2 publication Critical patent/AU147589B2/en
Publication of AU2290548A publication Critical patent/AU2290548A/en
Expired legal-status Critical Current

Links

AU22905/48A 1948-09-07 Improvements in or relating to indirectly heated cathodes for electric discharge tubes Expired AU147589B2 (en)

Publications (2)

Publication Number Publication Date
AU147589B2 true AU147589B2 (en) 1948-10-07
AU2290548A AU2290548A (en) 1948-10-07

Family

ID=

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