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(!!) (GOOD VALUE SINGLE) 5687 Tungsol rebranded IBM bronze plates "U" getter used/good 1959 (29/36ma)
(!!) (GOOD VALUE SINGLE) 5687 Tungsol rebranded IBM bronze plates "U" getter used/good 1959 (29/36ma)
$ 34.99
1 low noise tube) 5687 Tungsol rebranded IBM bronze plates "U" getter used/good 1959 very good printing
1 section) 29ma Gm=10,100
1 section) 36ma Gm=11,000
Recommended for
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