JP2023083873A5 - - Google Patents

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Publication number
JP2023083873A5
JP2023083873A5 JP2021197831A JP2021197831A JP2023083873A5 JP 2023083873 A5 JP2023083873 A5 JP 2023083873A5 JP 2021197831 A JP2021197831 A JP 2021197831A JP 2021197831 A JP2021197831 A JP 2021197831A JP 2023083873 A5 JP2023083873 A5 JP 2023083873A5
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Japan
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JP2021197831A
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English (en)
Japanese (ja)
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JP7734061B2 (ja
JP2023083873A (ja
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Priority to JP2021197831A priority Critical patent/JP7734061B2/ja
Priority claimed from JP2021197831A external-priority patent/JP7734061B2/ja
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Publication of JP2023083873A5 publication Critical patent/JP2023083873A5/ja
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JP2021197831A 2021-12-06 2021-12-06 チョークボード Active JP7734061B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021197831A JP7734061B2 (ja) 2021-12-06 2021-12-06 チョークボード

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021197831A JP7734061B2 (ja) 2021-12-06 2021-12-06 チョークボード

Publications (3)

Publication Number Publication Date
JP2023083873A JP2023083873A (ja) 2023-06-16
JP2023083873A5 true JP2023083873A5 (https=) 2024-02-22
JP7734061B2 JP7734061B2 (ja) 2025-09-04

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ID=86731609

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021197831A Active JP7734061B2 (ja) 2021-12-06 2021-12-06 チョークボード

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JP (1) JP7734061B2 (https=)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2564439Y2 (ja) * 1993-04-01 1998-03-09 川鉄建材株式会社 チョーク用ボード表面材およびそれを使用したチョーク用ボード
JP4771880B2 (ja) 2005-09-02 2011-09-14 Ｊｆｅ建材株式会社 映写黒板およびその製造方法
CN201808345U (zh) 2010-09-27 2011-04-27 方佳乐 黑板
KR20120063425A (ko) * 2010-12-07 2012-06-15 최용택 물 세척 후 바로 필기 가능한 분필 칠판 및 그에 사용되는 분필 칠판 지우개
JP2019218217A (ja) 2016-10-20 2019-12-26 Ａｇｃ株式会社 ガラス板
JP6754511B1 (ja) 2018-09-28 2020-09-09 ダイセルポリマー株式会社 窒化物系の非磁性セラミックス成形体とその製造方法

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