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发明名称
Fountain pen
摘要
申请公布号
US2642842(A)
申请公布日期
1953.06.23
申请号
US19460702753
申请日期
1946.10.11
申请人
DAVID KAHN, INC.
发明人
KAHN DAVID;WEISSER KARL
分类号
B43K7/02
主分类号
B43K7/02
代理机构
代理人
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地址
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