DIN EN 61837-1-2012 频率控制和选择用表面安装的压电器件.标准外形和终端引线的连接.第1部分:塑料模压外壳外形(IEC 61837-1-2012).德文版本EN 61837-1-2012
Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 1: Plastic moulded enclosure outlines (IEC 61837-1:2012); German version EN 61837-1:2012