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发明名称
Pencil holder
摘要
申请公布号
US2846689(A)
申请公布日期
1958.08.12
申请号
US19550551112
申请日期
1955.12.05
申请人
ENGEL HERMAN J
发明人
ENGEL HERMAN J.
分类号
B43K23/00
主分类号
B43K23/00
代理机构
代理人
主权项
地址
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