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发明名称
Minenhalterohr fuer Fuellbleistifte mit Vorschubschraube und Ausstosser fuer die Minenreste
摘要
申请公布号
DE730609(C)
申请公布日期
1943.01.14
申请号
DE1940K159069D
申请日期
1940.10.27
申请人
KELLER & CO. METALLWARENFABRIK
发明人
KELLER GEORG
分类号
B43K21/08
主分类号
B43K21/08
代理机构
代理人
主权项
地址
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