IEC 61994-4-1. Piezoelectric and dielectric devices for frequency control and selection. Glossary. Part 4-1. Piezoelectric materials. Synthetic quartz crystal
IEC 61994-4-1 用于频率控制和选择的压电和介电设备 术语汇编第4-1部分 压电材料 人造石英晶体
发布日期:
2006-01-10
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