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发明名称
Fuellbleistift mit in einer laengs geschlitzten Huelse verstellbarem Minenhalter
摘要
申请公布号
DE681252(C)
申请公布日期
1939.09.18
申请号
DE1937K148101D
申请日期
1937.10.01
申请人
DR. LODOVICO KRAEMER
发明人
KRAEMER DR. LODOVICO
分类号
B43K21/08;B43K24/04
主分类号
B43K21/08
代理机构
代理人
主权项
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