mask

JP1831360SActive Publication Date: 2026-07-13
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Patent Information

Application Number
JP2025024496D
Authority / Receiving Office
JP · JP
Patent Type
Designs
Filing Date
2025-12-04
Publication Date
2026-07-13
Estimated Expiration
2050-12-04

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Abstract

As shown in the enlarged view of section AA, this product features a combination of a rectangular welding line along the outline below the nose tip of the mask body, which is welded and fixed on both sides, and multiple dot-like welding points above the nose tip.
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