技適マーク - SERP Analysis

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https://www.tele.soumu.go.jp/j/adm/monitoring/summary/qa/giteki_mark/

https://amesma.net/blog/smartphone/technical-conformity-mark/19869/

https://www.tele.soumu.go.jp/j/sys/equ/tech/gitekimark/index.htm

https://www.icom.co.jp/business/icom-journal/what-is-giteki/

https://biz.kddi.com/content/glossary/t/technical-conformity-mark/

https://www.ntt-bp.net/column/blog/2023/02/post-84.html

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https://business.ntt-east.co.jp/bizdrive/column/post_212.html