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发明名称
Handrechen
摘要
申请公布号
AT167560(B)
申请公布日期
1951.01.25
申请号
ATD167560
申请日期
1949.06.07
申请人
ALOIS WELLAN;EMILIE WELLAN
发明人
ALOIS WELLAN;EMILIE WELLAN
分类号
主分类号
代理机构
代理人
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