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GR28-10

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ID = 20074
       
Country:
Germany
Brand: Deutsche Glimmlampen GmbH, (DGL), Otto Pressler; Leipzig
Tube type:  Voltage Regulator, single   Power-supply 
Identical to GR28-10
Similar Tubes
Normally replaceable-slightly different:
  StR150/60

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Technology / Measurement
Filament
 
gr28_10_met.jpg
GR28-10: W.E.
Wolfgang Eckardt

 
mi58_g_5.gif
GR28-10: RTT Schwandt
Günther Stabe † 19.8.20

 

from Just Qvigstad

Usage in Models 1= 1960? ; 2= 1961? ; 1= 1961 ; 1= 1962? ; 1= 1964?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6


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