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发明名称
Fountain pen
摘要
申请公布号
US1987646(A)
申请公布日期
1935.01.15
申请号
US19320638960
申请日期
1932.10.21
申请人
SWAN ALFRED H
发明人
SWAN ALFRED H.
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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