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发明名称
JUSTIERGERAET FUER GRAVIERSTICHEL ODER SCHREIBSTIFTE.
摘要
申请公布号
DE1717175(U)
申请公布日期
1956.02.16
申请号
DE195500H0295U
申请日期
1955.12.03
申请人
FA. DR.-ING. RUDOLF HELL
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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