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Mobilni telefon 1928?

Started by CyberianIce, November 10, 2010, 01:16:46 pm

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r2d2


CyberianIce

pitanje: cime se napaja portejbl-katodna cev? Cime se zagreva trioda? Kakve su baterije bile u upotrebi 1928?
Telescopius
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