FR776313A - Manufacturing process of tubular electric lamps - Google Patents

Manufacturing process of tubular electric lamps

Info

Publication number
FR776313A
FR776313A FR776313DA FR776313A FR 776313 A FR776313 A FR 776313A FR 776313D A FR776313D A FR 776313DA FR 776313 A FR776313 A FR 776313A
Authority
FR
France
Prior art keywords
manufacturing process
electric lamps
tubular electric
tubular
lamps
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
French (fr)
Inventor
Andre Jules Christian Pernod
Marcel Charles Perrin
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 FR776313A publication Critical patent/FR776313A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/22—Exhausting, degassing, filling, or cleaning vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR776313D 1933-10-16 1933-10-16 Manufacturing process of tubular electric lamps Expired FR776313A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR776313T 1933-10-16

Publications (1)

Publication Number Publication Date
FR776313A true FR776313A (en) 1935-01-23

Family

ID=9200965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR776313D Expired FR776313A (en) 1933-10-16 1933-10-16 Manufacturing process of tubular electric lamps

Country Status (1)

Country Link
FR (1) FR776313A (en)

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