ES79238A3 - Improvements in the manufacture of incandescent lamps with tungsten filament. - Google Patents

Improvements in the manufacture of incandescent lamps with tungsten filament.

Info

Publication number
ES79238A3
ES79238A3 ES79238A ES79238A ES79238A3 ES 79238 A3 ES79238 A3 ES 79238A3 ES 79238 A ES79238 A ES 79238A ES 79238 A ES79238 A ES 79238A ES 79238 A3 ES79238 A3 ES 79238A3
Authority
ES
Spain
Prior art keywords
manufacture
incandescent lamps
tungsten filament
filament
tungsten
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
ES79238A
Other languages
Spanish (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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Priority to ES79238A priority Critical patent/ES79238A3/en
Publication of ES79238A3 publication Critical patent/ES79238A3/en
Expired legal-status Critical Current

Links

ES79238A 1921-08-30 1921-08-30 Improvements in the manufacture of incandescent lamps with tungsten filament. Expired ES79238A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES79238A ES79238A3 (en) 1921-08-30 1921-08-30 Improvements in the manufacture of incandescent lamps with tungsten filament.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES79238A ES79238A3 (en) 1921-08-30 1921-08-30 Improvements in the manufacture of incandescent lamps with tungsten filament.

Publications (1)

Publication Number Publication Date
ES79238A3 true ES79238A3 (en) 1921-11-16

Family

ID=69498822

Family Applications (1)

Application Number Title Priority Date Filing Date
ES79238A Expired ES79238A3 (en) 1921-08-30 1921-08-30 Improvements in the manufacture of incandescent lamps with tungsten filament.

Country Status (1)

Country Link
ES (1) ES79238A3 (en)

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