DE194371C - - Google Patents

Info

Publication number
DE194371C
DE194371C DENDAT194371D DE194371DA DE194371C DE 194371 C DE194371 C DE 194371C DE NDAT194371 D DENDAT194371 D DE NDAT194371D DE 194371D A DE194371D A DE 194371DA DE 194371 C DE194371 C DE 194371C
Authority
DE
Germany
Prior art keywords
short time
oxygen
electric current
examined
thread
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.)
Active
Application number
DENDAT194371D
Other languages
German (de)
English (en)
Publication of DE194371C publication Critical patent/DE194371C/de
Active 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
    • H01K3/30Repairing or regenerating used or defective lamps
    • H01K3/305Testing of incandescent lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
DENDAT194371D Active DE194371C (cs)

Publications (1)

Publication Number Publication Date
DE194371C true DE194371C (cs)

Family

ID=457514

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT194371D Active DE194371C (cs)

Country Status (1)

Country Link
DE (1) DE194371C (cs)

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