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发明名称
Sharpener for leads of pencils or the like
摘要
申请公布号
US2914030(A)
申请公布日期
1959.11.24
申请号
US19560618058
申请日期
1956.10.24
申请人
BEHRENS WILLIAM H
发明人
BEHRENS WILLIAM H.
分类号
B43L23/00
主分类号
B43L23/00
代理机构
代理人
主权项
地址
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