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发明名称
Improvements in and connected with self-filling fountain pens
摘要
申请公布号
GB337835(A)
申请公布日期
1930.11.10
申请号
GB19300003471
申请日期
1929.05.08
申请人
GEORGE STEWART VIVIAN;VALENTINE & SONS LIMITED
发明人
分类号
B43K5/00
主分类号
B43K5/00
代理机构
代理人
主权项
地址
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