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Tube Substitutions for:
DB9-3
Oscilloscope CRT, picture tube

Type	Substitutes	Base Diagram
DB9-3	DG9-3, DN9-3
Web References	DB9-3 (Philips) @ Franks Electron Tubes? DB9-3 (Philips) @ Franks Electron Tubes? DB9-3 @ Radiomuseum

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