JP2023020251A5 - - Google Patents

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Publication number
JP2023020251A5
JP2023020251A5 JP2021125513A JP2021125513A JP2023020251A5 JP 2023020251 A5 JP2023020251 A5 JP 2023020251A5 JP 2021125513 A JP2021125513 A JP 2021125513A JP 2021125513 A JP2021125513 A JP 2021125513A JP 2023020251 A5 JP2023020251 A5 JP 2023020251A5
Authority
JP
Japan
Prior art keywords
line
midpoint
edge
welding
mask
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2021125513A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023020251A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2021125513A priority Critical patent/JP2023020251A/ja
Priority claimed from JP2021125513A external-priority patent/JP2023020251A/ja
Priority to PCT/JP2022/028784 priority patent/WO2023008429A1/ja
Priority to CN202280052233.9A priority patent/CN117835861A/zh
Publication of JP2023020251A publication Critical patent/JP2023020251A/ja
Publication of JP2023020251A5 publication Critical patent/JP2023020251A5/ja
Pending legal-status Critical Current

Links

JP2021125513A 2021-07-30 2021-07-30 マスク Pending JP2023020251A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2021125513A JP2023020251A (ja) 2021-07-30 2021-07-30 マスク
PCT/JP2022/028784 WO2023008429A1 (ja) 2021-07-30 2022-07-26 マスク
CN202280052233.9A CN117835861A (zh) 2021-07-30 2022-07-26 口罩

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021125513A JP2023020251A (ja) 2021-07-30 2021-07-30 マスク

Publications (2)

Publication Number Publication Date
JP2023020251A JP2023020251A (ja) 2023-02-09
JP2023020251A5 true JP2023020251A5 (https=) 2024-08-01

Family

ID=85087638

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021125513A Pending JP2023020251A (ja) 2021-07-30 2021-07-30 マスク

Country Status (3)

Country Link
JP (1) JP2023020251A (https=)
CN (1) CN117835861A (https=)
WO (1) WO2023008429A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12441836B2 (en) * 2022-03-23 2025-10-14 Lg Chem, Ltd. Polycarbonate resin and preparation method thereof
JP7621713B2 (ja) * 2022-03-23 2025-01-27 エルジー・ケム・リミテッド ポリカーボネート樹脂およびその製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005348998A (ja) * 2004-06-11 2005-12-22 Ifu:Kk マスク
US20140182600A1 (en) * 2012-12-27 2014-07-03 3M Innovative Properties Company Filtering face-piece respirator having welded indicia hidden in pleat

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