FR405321A - Process for preventing electrostatic phenomena from occurring during the formation of metal filaments for electric lamps - Google Patents

Process for preventing electrostatic phenomena from occurring during the formation of metal filaments for electric lamps

Info

Publication number
FR405321A
FR405321A FR405321DA FR405321A FR 405321 A FR405321 A FR 405321A FR 405321D A FR405321D A FR 405321DA FR 405321 A FR405321 A FR 405321A
Authority
FR
France
Prior art keywords
formation
occurring during
metal filaments
electric lamps
preventing electrostatic
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)
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.)
Bergmann Elektricitaets Werke AG
Original Assignee
Bergmann Elektricitaets Werke AG
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 Bergmann Elektricitaets Werke AG filed Critical Bergmann Elektricitaets Werke AG
Application granted granted Critical
Publication of FR405321A publication Critical patent/FR405321A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/59—Compounds containing 9, 10- seco- cyclopenta[a]hydrophenanthrene ring systems
    • A61K31/592—9,10-Secoergostane derivatives, e.g. ergocalciferol, i.e. vitamin D2
    • 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
    • H01K3/02—Manufacture of incandescent bodies

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Steroid Compounds (AREA)
FR405321D 1909-03-23 1909-07-22 Process for preventing electrostatic phenomena from occurring during the formation of metal filaments for electric lamps Expired FR405321A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE405321X 1931-09-18

Publications (1)

Publication Number Publication Date
FR405321A true FR405321A (en) 1909-12-27

Family

ID=6421914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR405321D Expired FR405321A (en) 1909-03-23 1909-07-22 Process for preventing electrostatic phenomena from occurring during the formation of metal filaments for electric lamps

Country Status (2)

Country Link
FR (1) FR405321A (en)
GB (1) GB405321A (en)

Also Published As

Publication number Publication date
GB405321A (en) 1934-02-05

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