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发明名称
Improvements relating to fountain pens
摘要
申请公布号
GB628350(A)
申请公布日期
1949.08.26
申请号
GB19470019760
申请日期
1947.07.23
申请人
SPEEDRY PRODUCTS, INC.
发明人
分类号
B43K8/02;B43K23/12
主分类号
B43K8/02
代理机构
代理人
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地址
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