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发明名称
Improvements in fountain pens
摘要
申请公布号
GB784388(A)
申请公布日期
1957.10.09
申请号
GB19560015059
申请日期
1956.05.15
申请人
THEODOR KOVACS
发明人
分类号
B43K8/16;B43K8/18
主分类号
B43K8/16
代理机构
代理人
主权项
地址
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