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Hot air stirling engine experiment model power generator motor educational physic steam power toy design gifts

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Hot air stirling engine experiment model power generator motor educational physic steam power toy design gifts

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5.0

-3%

Hot air stirling engine experiment model power generator motor educational physic steam power toy design gifts

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Hot air stirling engine experiment model power generator motor educational physic steam power toy design gifts

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Hot air stirling engine experiment model power generator motor educational physic steam power toy design gifts

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Hot air stirling engine experiment model power generator motor educational physic steam power toy design gifts

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Hot air stirling engine experiment model power generator motor educational physic steam power toy design gifts

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-3%

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-8%

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-2%

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-2%

Incomplete data

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-13%

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-7%

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-8%

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-20%

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-4%

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-4%

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-11%

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3.0

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-6%

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-4%

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-4%

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-5%

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-3%

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5.0

-5%

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-5%

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-2%

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-4%

Incomplete data

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-4%

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