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经营范围
发明名称
Improvements in writing implements
摘要
申请公布号
GB728152(A)
申请公布日期
1955.04.13
申请号
GB19520019130
申请日期
1952.07.29
申请人
THEODOR KOVACS
发明人
分类号
B43K5/17
主分类号
B43K5/17
代理机构
代理人
主权项
地址
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