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Slawik & Preiszler 2993-432
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Dvojitý basový zoubek
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Je na vrchní straně regulátoru otáček záměrně vyražena tečka? Nebo se jedná jen o náhodnou prohlubeň ve tvaru tečky?
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Fotografie: ©H.-J. Eisela, restaurátor hracích strojků a vědec, člen vědecké rady této webové stránky
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