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南宫市人民政府 - 公告公示 (info.nangong.gov.cn/channelList/11049.html)
列表: /channelList/11049.html (P1), /list/list.jsp?pn=N&classId=11049 (PN, 共241页)
列表项: ul.info-list-xxgk li a + span.time
详情: /content/11049/{id}.html, div#content.detail-2 (需清元数据)
用法: python3 crawl_nangong_gsgg.py [--pages=N] [--json out.jsonl]
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