ES7171Y - Cátodo de calentamiento indirecto. - Google Patents

Cátodo de calentamiento indirecto.

Info

Publication number
ES7171Y
ES7171Y ES0007171U ES7171U ES7171Y ES 7171 Y ES7171 Y ES 7171Y ES 0007171 U ES0007171 U ES 0007171U ES 7171 U ES7171 U ES 7171U ES 7171 Y ES7171 Y ES 7171Y
Authority
ES
Spain
Prior art keywords
indirect heating
heating cathode
cathode
indirect
heating
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
ES0007171U
Other languages
English (en)
Other versions
ES7171U (es
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to ES0007171U priority Critical patent/ES7171Y/es
Publication of ES7171U publication Critical patent/ES7171U/es
Application granted granted Critical
Publication of ES7171Y publication Critical patent/ES7171Y/es
Expired legal-status Critical Current

Links

ES0007171U 1942-01-28 1942-01-28 Cátodo de calentamiento indirecto. Expired ES7171Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0007171U ES7171Y (es) 1942-01-28 1942-01-28 Cátodo de calentamiento indirecto.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0007171U ES7171Y (es) 1942-01-28 1942-01-28 Cátodo de calentamiento indirecto.

Publications (2)

Publication Number Publication Date
ES7171U ES7171U (es) 1942-05-16
ES7171Y true ES7171Y (es) 1944-03-01

Family

ID=51071663

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0007171U Expired ES7171Y (es) 1942-01-28 1942-01-28 Cátodo de calentamiento indirecto.

Country Status (1)

Country Link
ES (1) ES7171Y (es)

Also Published As

Publication number Publication date
ES7171U (es) 1942-05-16

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