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发明名称
Soluble ink fountain pen
摘要
申请公布号
US1912774(A)
申请公布日期
1933.06.06
申请号
US19330655718
申请日期
1933.02.08
申请人
KINGMAN RUSSELL B
发明人
KINGMAN RUSSELL B.
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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