Radial rotary seal formula valve and use its tail gas heat transfer device
The utility model relates to a radial rotary seal formula valve and use its tail gas heat transfer device relates to the valve field, makes radial rotary seal formula valve use with sleeved type's tail gas heat transfer device is supporting. The main technical scheme who adopts does: radial rot...
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Format: | Patent |
Sprache: | chi ; eng |
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