FR687513A - Perfectionnements aux tubes lumineux - Google Patents

Perfectionnements aux tubes lumineux

Info

Publication number
FR687513A
FR687513A FR687513DA FR687513A FR 687513 A FR687513 A FR 687513A FR 687513D A FR687513D A FR 687513DA FR 687513 A FR687513 A FR 687513A
Authority
FR
France
Prior art keywords
light tubes
tubes
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
Other languages
English (en)
Inventor
Georges Claude
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 filed Critical
Application granted granted Critical
Publication of FR687513A publication Critical patent/FR687513A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/38Exhausting, degassing, filling, or cleaning vessels
    • H01J9/395Filling vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
FR687513D 1929-03-21 1929-03-21 Perfectionnements aux tubes lumineux Expired FR687513A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR687513T 1929-03-21

Publications (1)

Publication Number Publication Date
FR687513A true FR687513A (fr) 1930-08-09

Family

ID=9026172

Family Applications (1)

Application Number Title Priority Date Filing Date
FR687513D Expired FR687513A (fr) 1929-03-21 1929-03-21 Perfectionnements aux tubes lumineux

Country Status (2)

Country Link
FR (1) FR687513A (fr)
GB (1) GB357115A (fr)

Also Published As

Publication number Publication date
GB357115A (en) 1931-09-14

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