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发明名称
Opviklingskerne til påvikling af stof.
摘要
申请公布号
DK74021(C)
申请公布日期
1952.04.21
申请号
DK19490001121
申请日期
1949.03.31
申请人
AAKE FRITHIOF HOLMBERG
发明人
AAKE FRITHIOF HOLMBERG
分类号
主分类号
代理机构
代理人
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