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发明名称
Improvements in pencil sharpeners
摘要
申请公布号
GB614073(A)
申请公布日期
1948.12.09
申请号
GB19460019648
申请日期
1946.07.01
申请人
KOH-I-NOOR PENCIL FACTORY, L. & C. HARDTMUTH
发明人
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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