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发明名称
Dachziegel.
摘要
申请公布号
AT157297(B)
申请公布日期
1939.10.25
申请号
ATD157297
申请日期
1938.03.23
申请人
ERNST KUEHL
发明人
ERNST KUEHL
分类号
主分类号
代理机构
代理人
主权项
地址
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