
Testing Of Paper And Board Cores - Determination Of The Natural Frequency And Of The Flexural Module By Experimental Vibration Analyse
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Testing Of Paper And Board Cores - Determination Of The Natural Frequency And Of The Flexural Module By Experimental Vibration Analyse
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频