District heating system of paris (indust
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W.A.R.P.
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Article
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1946
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Elsevier Science
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English
โ 66 KB
of the motor. In laboratory tests the motor stood up under repeated heavy hammer blows. It was undamaged in drops from the bed of a truck to the platform. Motors of this type---from five to 75 horsepower--are urgently needed in the automobile, petroleum and chemical industries and by machine tool m