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ES133244A1 - Improvement in electric double wall light tubes. - Google Patents

Improvement in electric double wall light tubes.

Info

Publication number
ES133244A1
ES133244A1 ES133244A ES133244A ES133244A1 ES 133244 A1 ES133244 A1 ES 133244A1 ES 133244 A ES133244 A ES 133244A ES 133244 A ES133244 A ES 133244A ES 133244 A1 ES133244 A1 ES 133244A1
Authority
ES
Spain
Prior art keywords
improvement
electric double
double wall
light tubes
wall light
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
ES133244A
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority to ES133244A priority Critical patent/ES133244A1/en
Publication of ES133244A1 publication Critical patent/ES133244A1/en
Expired legal-status Critical Current

Links

ES133244A 1934-01-20 1934-01-20 Improvement in electric double wall light tubes. Expired ES133244A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES133244A ES133244A1 (en) 1934-01-20 1934-01-20 Improvement in electric double wall light tubes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES133244A ES133244A1 (en) 1934-01-20 1934-01-20 Improvement in electric double wall light tubes.

Publications (1)

Publication Number Publication Date
ES133244A1 true ES133244A1 (en) 1934-03-16

Family

ID=65588290

Family Applications (1)

Application Number Title Priority Date Filing Date
ES133244A Expired ES133244A1 (en) 1934-01-20 1934-01-20 Improvement in electric double wall light tubes.

Country Status (1)

Country Link
ES (1) ES133244A1 (en)

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