BE549123A - - Google Patents

Info

Publication number
BE549123A
BE549123A BE549123DA BE549123A BE 549123 A BE549123 A BE 549123A BE 549123D A BE549123D A BE 549123DA BE 549123 A BE549123 A BE 549123A
Authority
BE
Belgium
Prior art keywords
contacts
axis
glass
piston
spring
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE549123A publication Critical patent/BE549123A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/001Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
BE549123D BE549123A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE549123A true BE549123A (enrdf_load_html_response)

Family

ID=175465

Family Applications (1)

Application Number Title Priority Date Filing Date
BE549123D BE549123A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE549123A (enrdf_load_html_response)

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