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发明名称
Dachsteine mit dreieckigen Flaechen fuer Baukaesten
摘要
申请公布号
DE508638(C)
申请公布日期
1930.10.01
申请号
DENDATR079968D
申请日期
申请人
ELEONORE ROESLER
发明人
分类号
A63H33/04
主分类号
A63H33/04
代理机构
代理人
主权项
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