Buy 1 Rectifier Tube 5AR4 Compatible Sphere Saw Plate Code:??? B2F3 measurement value 54 (rejected value 40) It is a Siemens print, but it was determined that it was made by Mullard based on the structure and date code ※The measured value is determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
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