最終更新日：2024/06/27
One of the Japanese eras which started in the April of 987 and ending in the August of 988
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永延
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永延
name
One of the Japanese eras which started in the April of 987 and ending in the August of 988
意味（1）
One of the Japanese eras which started in the April of 987 and ending in the August of 988
