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发明名称
兼作原子笔用钢笔新式样
摘要
申请公布号
TW004685
申请公布日期
1969.03.01
申请号
TW008173
申请日期
1967.02.04
申请人
写乐钢笔公司
发明人
田中丰
分类号
17
主分类号
17
代理机构
代理人
金进平 台北巿忠孝西路一段二十五号之三、四楼;赖清廉会计 台北巿南京东路二段一六三号六楼
主权项
地址
日本东京都中央区日本桥茅场町2丁目13番地
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