BE411705A - - Google Patents

Info

Publication number
BE411705A
BE411705A BE411705DA BE411705A BE 411705 A BE411705 A BE 411705A BE 411705D A BE411705D A BE 411705DA BE 411705 A BE411705 A BE 411705A
Authority
BE
Belgium
Prior art keywords
lamp
anode
cathode
forces
tungsten
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE411705A publication Critical patent/BE411705A/fr

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE411705D BE411705A (cs)

Publications (1)

Publication Number Publication Date
BE411705A true BE411705A (cs)

Family

ID=75606

Family Applications (1)

Application Number Title Priority Date Filing Date
BE411705D BE411705A (cs)

Country Status (1)

Country Link
BE (1) BE411705A (cs)

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