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发明名称
Staffelkartenei
摘要
申请公布号
DE514411(C)
申请公布日期
1930.12.12
申请号
DE1927K103426D
申请日期
1927.03.19
申请人
JOSEPH KRELL
发明人
分类号
A47B51/00
主分类号
A47B51/00
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