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2022
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Invention
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Metal face frame for pressing mask. A metal face frame for pressing a mask (18). The metal face f... |
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2021
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Invention
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Novel mask. Disclosed in the present invention is a novel mask, comprising a mask body and a brea... |
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Invention
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Novel filter sheet. A novel filter sheet, comprising a filter sheet body; the filter sheet body i... |
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Invention
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Face frame. A face frame, comprising a face frame body (1) capable of surrounding mouth and nose ... |
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Invention
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Mask. A mask, comprising a mask body (1); the mask body (1) is provided with a first capsule body... |
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Invention
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Sealing structure. Disclosed is a sealing structure, comprising a sealing object body (1) and a l... |
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Invention
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Mask sealed using capsule body. A mask sealed using a capsule body, comprising a mask body (1); a... |
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Invention
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Goggles. Goggles, comprising a goggles body (1), the goggles body (1) being provided with a seale... |
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Invention
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Bladder for sealing. Disclosed is a bladder for sealing, comprising a bladder body (2), wherein t... |
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2017
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Invention
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Method and facility for desalination of seawater and extraction of sea salt. A facility for the d... |
