Packing sealing device for high-temperature drying machine
The utility model belongs to the technical field of dryers, and particularly relates to a packing sealing device for a high-temperature dryer, which comprises a shaft body and a polytetrafluoroethylene shaft sleeve. A polytetrafluoroethylene shaft sleeve is mounted in the middle of the shaft body; t...
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Format: | Patent |
Sprache: | chi ; eng |
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