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发明名称
Dispositif pour tailler et aiguiser les crayons graphite, crayons de couleur, craies, etc.
摘要
申请公布号
FR1038228(A)
申请公布日期
1953.09.25
申请号
FRD1038228
申请日期
1951.06.08
申请人
发明人
WOLFF-KU:NZI WALTER
分类号
B43L23/06
主分类号
B43L23/06
代理机构
代理人
主权项
地址
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