ICS35.240.01CCSL67DB4403深圳市地方标准DB4403/T383.4—2023电子印章第4部分:应用服务接口Electronicseal—Part4:Applicationprogramminginterface2023-11-02发布2023-12-01实施深圳市市场监督管理局发布DB4403/T383.4—2023I目次前言...............................................................................III1范围......................................................