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经营范围
发明名称
Fountain pen
摘要
申请公布号
US1999177(A)
申请公布日期
1935.04.30
申请号
US19330654471
申请日期
1933.01.31
申请人
THE ESTERBROOK STEEL PEN MANUFACTURING CO.
发明人
ASHMORE LEON HEHL
分类号
B43K5/18
主分类号
B43K5/18
代理机构
代理人
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地址
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