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发明名称
Writing instruments provided with retractable writing points
摘要
申请公布号
GB783485(A)
申请公布日期
1957.09.25
申请号
GB19550033315
申请日期
1955.11.21
申请人
EDMOND GASTON REGNAULT
发明人
分类号
B43K24/03
主分类号
B43K24/03
代理机构
代理人
主权项
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