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发明名称
数学用表读数尺
摘要
1.图中标A处为空格。
申请公布号
CN3060304D
申请公布日期
1997.07.09
申请号
CN96313744.1
申请日期
1996.03.19
申请人
池雅庆
发明人
池雅庆
分类号
19-07-T0089
主分类号
19-07-T0089
代理机构
四川省雅安地区专利事务所
代理人
付世威;尹怀勤
主权项
地址
625000四川省雅安市张家山路35号
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