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发明名称
Fountain pen cap and section
摘要
申请公布号
US1978724(A)
申请公布日期
1934.10.30
申请号
US19310518072
申请日期
1931.02.25
申请人
SAGER SOLOMON M
发明人
SAGER SOLOMON M.
分类号
B43K23/12
主分类号
B43K23/12
代理机构
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