Starting screw-down device is made in the form of button for short time closing of electric circuit. EFFECT: improved operating reliability and convenience. 2 cl, 3 dwg 展开 收藏 引用 批量引用 报错 分享 全部来源 求助全文 掌桥科研 相似文献Flushing device, water closet with such a flushing ...