工業用エチルベンゼン水抽出物のpH測定
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「SH/T1146-1992 工業用エチルベンゼン水の抽出物のpHの測定」この規格は規格サイトでの照会では廃止済みだが、代替規格が見つからない？どうすればいいの？
昔の友達を探して@qugd。ありがとう。:ハンドシェイク
新しい基準が見つからないので、とりあえず古い基準で間に合わせます。
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