947 resultados para Pumping machinery, Electric.
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An electrical discharge is used as a trap for a diffusion pump using DC-704 silicone pump fluid. The discharge cracks the pump fluid vapor thus taking it out of the system. In the process much hydrogen and some other lighter gases are evolved.
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Previous ed. issued by U.S. Rural Electrification Administration.
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Reproduced from type-written copy.
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"A compilation of many of the most valuable instruction books of the American school of correspondence."--Forword.
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"17 July 1984."
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"July 1994."
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Includes bibliographical references.
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Mode of access: Internet.
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"15 August 1984."
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Includes index.
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Includes index.
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Includes index.
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"23 July 1990."
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"May 1968."
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"January 1974."