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发明名称
VORRICHTUNG ZUR KENNTLICHMACHUNG DES BEDIENENDEN PERSONALS.
摘要
申请公布号
DE1627161(U)
申请公布日期
1951.08.16
申请号
DE195100H4172U
申请日期
1951.03.12
申请人
OTTO HELLMANN
发明人
OTTO HELLMANN
分类号
主分类号
代理机构
代理人
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地址
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