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发明名称
管道疏通器
摘要
省略其它视图。
申请公布号
CN3167155D
申请公布日期
2000.11.22
申请号
CN00304522.6
申请日期
2000.03.21
申请人
魏新生
发明人
魏新生
分类号
15-05-S0194
主分类号
15-05-S0194
代理机构
代理人
主权项
地址
074200河北省易县交通宾馆三楼科委开发中心
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