Bolt jacking quick-opening structure
The utility model discloses a bolt jacking quick-opening structure and belongs to the field of quick opening of chemical pressure vessels. According to the technical scheme, at least two locking parts are arranged on the periphery of a flat cover, and lower wedge-shaped sector rings are arranged on...
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Hauptverfasser: | , , , , , , |
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Format: | Patent |
Sprache: | chi ; eng |
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