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发明名称
HEFTER BZW. EINAKTHEFTER FUER BUERO- UND ORGANISATIONZWECKE.
摘要
申请公布号
DE1834547(U)
申请公布日期
1961.07.13
申请号
DE196100H7944U
申请日期
1961.04.21
申请人
HERMANN HOLTZ
发明人
HERMANN HOLTZ
分类号
主分类号
代理机构
代理人
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