FR393644A - Process for the production of metallic wolfram incandescent bodies - Google Patents

Process for the production of metallic wolfram incandescent bodies

Info

Publication number
FR393644A
FR393644A FR393644DA FR393644A FR 393644 A FR393644 A FR 393644A FR 393644D A FR393644D A FR 393644DA FR 393644 A FR393644 A FR 393644A
Authority
FR
France
Prior art keywords
wolfram
metallic
production
incandescent bodies
incandescent
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens 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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR393644A publication Critical patent/FR393644A/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
    • H01K3/02—Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR393644D 1907-09-26 1908-08-25 Process for the production of metallic wolfram incandescent bodies Expired FR393644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE393644X 1907-09-26

Publications (1)

Publication Number Publication Date
FR393644A true FR393644A (en) 1908-12-29

Family

ID=1438931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR393644D Expired FR393644A (en) 1907-09-26 1908-08-25 Process for the production of metallic wolfram incandescent bodies

Country Status (1)

Country Link
FR (1) FR393644A (en)

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