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发明名称
VIERFARBLIPPENSTIFT.
摘要
申请公布号
DE1708115(U)
申请公布日期
1955.10.06
申请号
DE195500W3045U
申请日期
1955.05.07
申请人
GERHARD WLODARCAK
发明人
GERHARD WLODARCAK
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主分类号
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