标准摘要
[中文适用范围]： IEC 60122 的本部分规定了带铅外壳的石英晶体单元的外形图。 [外文原描述]： IEC 60122-3:2010 specifies the outline drawing for quartz crystal units with lead enclosures. The main changes with respect to the previous edition are as follows: 12 of the 48 enclosure types contained in the previous edition have been deleted.
英文名称Quartz crystal units of assessed quality - Part 3: Standard outlines and lead connections