Mullard M8162 CV4024 Dual Triode Tube Valve NOS ECC81 12AT7 12AT7WA Military

M8162 / CV4024 / ECC81 / 12AT7 MULLARD MADE IN ENGLAND FACTORY CODES IN GLASS R9G2 = Mullard, Mitchum 1979 DUAL MARKED M8162 CV4024 MILITARY PRINT

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