NBN C 97-111-1973 8750 《用于声音分析与震动分析的八音度，半八音度的和三分之一八音度电声过滤器》.pdf

相关资源

BS EN ISO 8742-1998 Grooved pins - One-third-length centre grooved《带槽销 中心开三分之一长度槽》.pdf

CNS 9217-1982 Grooved Pins Third Length Center Grooved《槽销（中段三分之一长槽）》.pdf

DIN EN ISO 8742-1998 Grooved pins - One-third-length centre grooved (ISO 8742 1997) German version EN ISO 8742 1997《带槽销钉 三分之一长度中心槽销钉》.pdf

NBN-EN 28742-1992 0000 Grooved pins - Third-length centre grooved《带槽销 中部三分之一长槽型销》.pdf

NF E25-763-1997 Grooved pins One-third-length centre grooved 《带槽销 三分之一长度中心槽的销钉》.pdf

ONORM EN 28742-1993 Grooved pins -Third-Iength centre grooved《带槽销 中心开三分之一长度槽》.pdf

NORVEN 76-46-1966 《在混凝土梁柱的三分之一处进行抗弯曲能力测试》.pdf

SAE ARP 5534-2013 Application of Pure-Tone Atmospheric Absorption Losses to One-Third Octave-Band Data《纯音大气吸收损失在三分之一倍频带数据的应用》.pdf

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