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Q345B GB/1591-2008の最低使用温度がいくつか知っている人はいますか?

2019-10-08View Original

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GB/T1591-2008という規格を見てみましたが、Q345Bの最低使用温度に関する記載はありませんでした。どなたか、その情報がどこにあるかご存知の方はいますか????
Reply #22019-10-09
余談ですが、最新の規格GB/T 1591-2018ではQ345は廃止され、Q355に変更されています

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