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发明名称
Writing device
摘要
申请公布号
US3064624(A)
申请公布日期
1962.11.20
申请号
US19550556637
申请日期
1955.12.30
申请人
RADIANT PEN CORP.
发明人
HECHTLE EMIL
分类号
B43K24/08;G09F23/00
主分类号
B43K24/08
代理机构
代理人
主权项
地址
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