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发明名称
笔
摘要
省略其他视图。
申请公布号
CN3018523D
申请公布日期
1993.05.12
申请号
CN92304739.5
申请日期
1992.07.14
申请人
张铭宏
发明人
张铭宏
分类号
19-06
主分类号
19-06
代理机构
中国科学院上海专利事务所
代理人
金锁云; 邬德涛
主权项
地址
中国台湾
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