
ISO 11093-8 PAPER AND BOARD - TESTING OF CORES - PART 8: DETERMINATION OF NATURAL FREQUENCY AND FLEXURAL MODULUS BY EXPERIMENTAL MODAL ANALYSIS
出版:British Standards Institution

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ISO 11093-8 PAPER AND BOARD - TESTING OF CORES - PART 8: DETERMINATION OF NATURAL FREQUENCY AND FLEXURAL MODULUS BY EXPERIMENTAL MODAL ANALYSIS
出版:British Standards Institution
专家解读视频