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(!) JG-12AT7WA=6201 GE black plates triple mica

(!) JG-12AT7WA=6201 GE black plates triple mica "U" getter used/strong 1955 (10ma/15ma)

$ 19.99

1 low noise tube) JG-12AT7WA=6201 GE black plates triple mica "U" getter used/good 1955 faded printing

10ma Gm=5800

15ma Gm=6700

 

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