银河微电:发行股份购买资产并募集配套资金暨关联交易预案(摘要)公告日期:2026/06/29 · 栏目:关联交易 · 代码:688689公告链接:http://static.sse.com.cn/disclosure/listedinfo/announcement/c/new/2026-06-29/688689_20260629_77X9.pdf