BE416418A - - Google Patents

Info

Publication number
BE416418A
BE416418A BE416418DA BE416418A BE 416418 A BE416418 A BE 416418A BE 416418D A BE416418D A BE 416418DA BE 416418 A BE416418 A BE 416418A
Authority
BE
Belgium
Prior art keywords
contact
bulb
tube
wire
spring
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE416418A publication Critical patent/BE416418A/fr

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/14Indicating direction of current; Indicating polarity of voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Audible And Visible Signals (AREA)
BE416418D BE416418A (forum.php)

Publications (1)

Publication Number Publication Date
BE416418A true BE416418A (forum.php)

Family

ID=79341

Family Applications (1)

Application Number Title Priority Date Filing Date
BE416418D BE416418A (forum.php)

Country Status (1)

Country Link
BE (1) BE416418A (forum.php)

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