房地产经纪和暦的备案信息发生变更，应当在变更后（ ）日内，向原备案机构办理备案变更手续。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28990' and id < 2359890 and id<>'2359890' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28990' and id > 2359890 and id<>'2359890' order by id asc limit 5