Hand crank generator speed increasing gear box Home high-power

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The gearbox steel plate thickness is 3 mm. Send crank. Gear ratio : 1:22/1:32/1:42/1:50/1:60/1:72 opional. PICTURE SHOW.

Hand crank generator speed increasing gear box Home high-power gear gearbox

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The gearbox steel plate thickness is 3 mm. Send crank. Gear ratio : 1:22/1:32/1:42/1:50/1:60/1:72 opional. PICTURE SHOW.

Hand crank generator speed increasing gear box Home high-power gear gearbox

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