2

https://w3id.org/jp-textbook/AC100000000697/Time001

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Duration(transferred): 2
Duration: 2
Compiling Prospectus: 高等学校年化学基礎(東書)2021年検定教科書編修趣意書
Duration type: Standard
Listing order: 1
Type: http://schema.org/Duration

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Referred to as 'Duration' from:: 1編　化学と人間生活：1章　化学とは何か