学生阅读书写姿势限位器,申请号CN99321531.9-传众专利搜索

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发明名称	学生阅读书写姿势限位器
摘要
申请公布号	CN3135902D	申请公布日期	2000.01.26
申请号	CN99321531.9	申请日期	1999.05.12
申请人	王__清	发明人	王清
分类号	08-09-S0730	主分类号	08-09-S0730
代理机构	营口市专利事务所	代理人	汪长敏
主权项
地址	115000辽宁省营口市大水塘弹药库

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