PRODUCTION OF SHEATH HEATER
PURPOSE:To eliminate the gas-permeability and hygroscopy of magesia so as to pretect the insulation characteristics of a sheath heater against moisture.
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To eliminate the gas-permeability and hygroscopy of magesia so as to pretect the insulation characteristics of a sheath heater against moisture. |
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