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经营范围
发明名称
Fuellbleistift
摘要
申请公布号
DE499561(C)
申请公布日期
1930.06.07
申请号
DE1928K111468D
申请日期
1928.10.07
申请人
ERNST KATZ
发明人
分类号
B43K21/06
主分类号
B43K21/06
代理机构
代理人
主权项
地址
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