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Information - Help 
ID = 27500
Tube type:  Photomultiplier 
Identical to 4422

Dimensions (WHD)
incl. pins / tip
38 x 89 x mm / 1.50 x 3.50 x inch
Information source -- Collector info (Sammler)   
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4422: Norberto Nervi CX4BBT
Carlos A. Pieroni-García


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