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Italian civilians rebuilding a bridge on behalf of Allies near Florence. Tuscany, 3rd December 1944.
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Insulation resistance - not less than 1000 MOhm. Electrical insulation strength - 1100 Veff. Number of switching cycles - up to 10,000. Switching force - from 10 N to 35 N (from 0.1 kgf to 3.5 kgf).
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eBay
The famous French aircraft manufacturer Henry Potez in conversation with King Carol of Romania, in 1935.
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eBay