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发明名称
Verfahren zur Herstellung von Asphaltziegeln mit poriger Oberfläche.
摘要
申请公布号
AT140868(B)
申请公布日期
1935.03.11
申请号
ATD140868
申请日期
1934.05.15
申请人
CARL FLEISCHER
发明人
CARL FLEISCHER
分类号
主分类号
代理机构
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