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发明名称
袖珍式粗糙度仪（TR110）
摘要
申请公布号
CN3395866D
申请公布日期
2004.10.06
申请号
CN200430006645.3
申请日期
2004.03.29
申请人
北京时代之峰科技有限公司
发明人
张永辉;周妍林
分类号
10-04
主分类号
10-04
代理机构
北京三友知识产权代理有限公司
代理人
董惠石
主权项
地址
100085 北京市海淀区上地西路28号1幢二层
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