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发明名称
正负电荷检验器
摘要
省略其它视图。
申请公布号
CN300712302D
申请公布日期
2007.11.28
申请号
CN200630309916.1
申请日期
2006.12.19
申请人
周干林
发明人
周干林
分类号
10-05
主分类号
10-05
代理机构
北京连和连知识产权代理有限公司
代理人
李海燕
主权项
地址
225218江苏省江都市浦头镇扬子路113号
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