Multilayer arc-shaped metal sealing ring assembly capable of being stacked for use
The utility model discloses a multilayer arc-shaped metal sealing ring assembly capable of being stacked for use, which comprises a plurality of layers of sealing rings, the inner diameters of the plurality of layers of sealing rings are consistent, the outer diameters of the plurality of layers of...
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Format: | Patent |
Sprache: | chi ; eng |
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