<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ruoyi.dimp.mapper.DPatentEffectiveInfoMapper">
 	<delete id="deleteWidthImpBatch" parameterType="String">
 		delete from d_patent_effective_info where imp_batch = #{impBatch}
 	</delete>
</mapper>