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发明名称
A device for use in connection with pens or pencils
摘要
申请公布号
GB684841(A)
申请公布日期
1952.12.24
申请号
GB19490020214
申请日期
1949.08.03
申请人
EDOUARD ROGER ARMELIN
发明人
分类号
B43K29/12
主分类号
B43K29/12
代理机构
代理人
主权项
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