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发明名称
Writing implement
摘要
申请公布号
US2430023(A)
申请公布日期
1947.11.04
申请号
US19440519954
申请日期
1944.01.27
申请人
THE ESTERBROOK PEN COMPANY
发明人
LONGMAID SYDNEY E.
分类号
B43K5/18
主分类号
B43K5/18
代理机构
代理人
主权项
地址
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