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发明名称
Improvements in or relating to inkwells
摘要
申请公布号
GB640481(A)
申请公布日期
1950.07.19
申请号
GB19480000487
申请日期
1948.01.07
申请人
EDWARD GEORGE GUYATT
发明人
分类号
B43L25/02
主分类号
B43L25/02
代理机构
代理人
主权项
地址
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