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Siemens PL 81 = 21 A 6 Elektronenröhre Pentode 170 V 45 mA Polzahl: 9 Sockel:
Product description
Siemens PL 81 = 21 A 6 Elektronenröhre Pentode 170 V 45 mA Polzahl: 9 Sockel: Noval Inhalt 1 St.