FR671441A - Procédé de fabrication de corps incandescents - Google Patents

Procédé de fabrication de corps incandescents

Info

Publication number
FR671441A
FR671441A FR671441DA FR671441A FR 671441 A FR671441 A FR 671441A FR 671441D A FR671441D A FR 671441DA FR 671441 A FR671441 A FR 671441A
Authority
FR
France
Prior art keywords
manufacturing process
incandescent bodies
incandescent
bodies
manufacturing
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)
French (fr)
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
Application granted granted Critical
Publication of FR671441A publication Critical patent/FR671441A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K3/00Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Metal Extraction Processes (AREA)
FR671441D 1928-04-13 1929-03-13 Procédé de fabrication de corps incandescents Expired FR671441A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL309573T 1928-04-13

Publications (1)

Publication Number Publication Date
FR671441A true FR671441A (fr) 1929-12-12

Family

ID=31944929

Family Applications (1)

Application Number Title Priority Date Filing Date
FR671441D Expired FR671441A (fr) 1928-04-13 1929-03-13 Procédé de fabrication de corps incandescents

Country Status (4)

Country Link
DE (1) DE496847C (zh)
FR (1) FR671441A (zh)
GB (1) GB309573A (zh)
NL (1) NL25673C (zh)

Also Published As

Publication number Publication date
DE496847C (de) 1930-04-28
NL25673C (zh)
GB309573A (zh) 1929-11-21

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