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发明名称
Pencil holder
摘要
申请公布号
US1797103(A)
申请公布日期
1931.03.17
申请号
US19300422201
申请日期
1930.01.20
申请人
THOR RUSTAD
发明人
RUSTAD THOR
分类号
B43K23/00
主分类号
B43K23/00
代理机构
代理人
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